Flaky on Android Tests, which uses Nexus 5. (specifying that as  issue 652872  discusses disabling these tests on low end devices)
  
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#tests=org.chromium.chrome.browser.media.remote.CastPositionTransferTest%23testLocalToRemotePositionTransfer&testType=chrome_public_test_apk

https://build.chromium.org/p/chromium.linux/builders/Android%20Tests%20%28dbg%29

org.chromium.chrome.browser.media.remote.CastPositionTransferTest#testLocalToRemotePositionTransfer (run #1):
junit.framework.AssertionFailedError: The remote playback position (0) did not advance past 3000
	at org.chromium.chrome.browser.media.remote.CastPositionTransferTest.testLocalToRemotePositionTransfer(CastPositionTransferTest.java:88)
	at java.lang.reflect.Method.invokeNative(Native Method)
	at android.test.InstrumentationTestCase.runMethod(InstrumentationTestCase.java:214)
	at android.test.InstrumentationTestCase.runTest(InstrumentationTestCase.java:199)
	at android.test.ActivityInstrumentationTestCase2.runTest(ActivityInstrumentationTestCase2.java:192)
	at org.chromium.chrome.test.ChromeActivityTestCaseBase.runTest(ChromeActivityTestCaseBase.java:726)
	at org.chromium.base.test.BaseTestResult.runParameterized(BaseTestResult.java:161)
	at org.chromium.base.test.BaseTestResult.run(BaseTestResult.java:124)
	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
	at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
	at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:554)
	at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1701)