content_browsertests failing on chromium.linux/Android Tests

Builders failed on: 
- Android Tests: 
  https://build.chromium.org/p/chromium.linux/builders/Android%20Tests


https://build.chromium.org/p/chromium.linux/builders/Android%20Tests/builds/47250

It looks like this test was added recently in r510468

I think it's timing out? The output is confusing.

I  777.499s run_tests_on_device(06b2684c003bfab5)  [INFO:test_support_android.cc(185)] MessagePumpForUIFactory already set, unable to override.
I  777.499s run_tests_on_device(06b2684c003bfab5)  >>ScopedMainEntryLogger
I  777.499s run_tests_on_device(06b2684c003bfab5)  Note: Google Test filter = WheelScrollLatchingBrowserTest.WheelScrollingRelatchWhenLatchedScrollerRemoved
I  777.500s run_tests_on_device(06b2684c003bfab5)  [==========] Running 1 test from 1 test case.
I  777.500s run_tests_on_device(06b2684c003bfab5)  [----------] Global test environment set-up.
I  777.500s run_tests_on_device(06b2684c003bfab5)  [----------] 1 test from WheelScrollLatchingBrowserTest, where TypeParam = 
I  777.500s run_tests_on_device(06b2684c003bfab5)  [ RUN      ] WheelScrollLatchingBrowserTest.WheelScrollingRelatchWhenLatchedScrollerRemoved
I  777.500s run_tests_on_device(06b2684c003bfab5)  [WARNING:dns_config_service_posix.cc(336)] Failed to read DnsConfig.
I  777.500s run_tests_on_device(06b2684c003bfab5)  [ERROR:devtools_http_handler.cc(249)] Cannot start http server for devtools. Stop devtools.
I  777.501s run_tests_on_device(06b2684c003bfab5)  Finished running tests on this device.
I  777.502s Main  FINISHED TRY #3/3
I  777.502s Main  1 failed tests remain.
C  777.504s Main  ********************************************************************************
C  777.504s Main  Detailed Logs
C  777.504s Main  ********************************************************************************
C  777.504s Main  [UNKNOWN] WheelScrollLatchingBrowserTest.WheelScrollingRelatchWhenLatchedScrollerRemoved:
C  777.504s Main  [ RUN      ] WheelScrollLatchingBrowserTest.WheelScrollingRelatchWhenLatchedScrollerRemoved
C  777.505s Main  [WARNING:dns_config_service_posix.cc(336)] Failed to read DnsConfig.
C  777.505s Main  [ERROR:devtools_http_handler.cc(249)] Cannot start http server for devtools. Stop devtools.
C  777.505s Main  ********************************************************************************
C  777.505s Main  Summary
C  777.505s Main  ********************************************************************************
C  777.506s Main  [==========] 243 tests ran.
C  777.506s Main  [  PASSED  ] 242 tests.
C  777.506s Main  [  FAILED  ] 1 test, listed below:
C  777.506s Main  [  FAILED  ] WheelScrollLatchingBrowserTest.WheelScrollingRelatchWhenLatchedScrollerRemoved (UNKNOWN)
C  777.506s Main  
C  777.506s Main  1 FAILED TEST
C  777.507s Main  ********************************************************************************