The tests started failing on https://uberchromegw.corp.google.com/i/chromium.android/builders/Lollipop%20Consumer%20Tester with the following build:

https://uberchromegw.corp.google.com/i/chromium.android/builders/Lollipop%20Consumer%20Tester/builds/1186

C 1577.480s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadDeletedOpenTab:
C 1577.481s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.481s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.481s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.481s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.481s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.481s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.481s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.481s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.481s Main  
C 1577.481s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadMultipleDeletedOpenTabs:
C 1577.481s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.481s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.481s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.481s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.481s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.481s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.481s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.481s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.481s Main  
C 1577.481s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadMultipleOpenTabs:
C 1577.481s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.481s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.481s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.481s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.481s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.481s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.481s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.481s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.481s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.481s Main  
C 1577.481s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadOpenTab:
C 1577.481s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.482s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.482s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.482s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.482s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.482s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.482s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.482s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.482s Main  
C 1577.482s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testUploadAndCloseOpenTab:
C 1577.482s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.482s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.482s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.482s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.482s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.482s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.482s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.482s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.482s Main  
C 1577.482s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testUploadMultipleOpenTabs:
C 1577.482s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.482s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.482s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.482s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.482s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.482s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.482s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.482s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.482s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.482s Main  
C 1577.482s Main  [FAIL] org.chromium.chrome.browser.sync.OpenTabsTest#testUploadOpenTab:
C 1577.482s Main  junit.framework.AssertionFailedError: Expected 2 entities when getting the client name.
C 1577.482s Main  	at org.chromium.content.browser.test.util.CriteriaHelper.pollForCriteria(CriteriaHelper.java:66)
C 1577.483s Main  	at org.chromium.chrome.browser.sync.SyncTestBase.pollForCriteria(SyncTestBase.java:228)
C 1577.483s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.getClientName(OpenTabsTest.java:263)
C 1577.483s Main  	at org.chromium.chrome.browser.sync.OpenTabsTest.setUp(OpenTabsTest.java:77)
C 1577.483s Main  	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
C 1577.483s Main  	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
C 1577.483s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
C 1577.483s Main  	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
C 1577.483s Main  	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
C 1577.483s Main  	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1889)
C 1577.483s Main  ********************************************************************************
C 1577.483s Main  Summary
C 1577.483s Main  ********************************************************************************
C 1577.483s Main  [==========] 63 tests ran.
C 1577.483s Main  [  PASSED  ] 56 tests.
C 1577.483s Main  [  FAILED  ] 7 tests, listed below:
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadDeletedOpenTab
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadMultipleDeletedOpenTabs
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadMultipleOpenTabs
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testDownloadOpenTab
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testUploadAndCloseOpenTab
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testUploadMultipleOpenTabs
C 1577.483s Main  [  FAILED  ] org.chromium.chrome.browser.sync.OpenTabsTest#testUploadOpenTab
C 1577.483s Main  

Couldn't reproduce locally with a Samsung Galaxy S6.
Build: LMY47X.G920FXXU2BOG8