All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=758990

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=543e26cbea3e84eb590aea9ec0ff9f2f6ed6be0e87653439487516ce55715b15


Bot(s) for this bug's original alert(s):

android-nexus6

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970283507909700960

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus6_perf_bisect
  Benchmark    : cc_perftests
  Metric       : prepare_tiles/2_100


To Run This Test
  src/build/android/test_runner.py gtest --release -s cc_perftests --verbose

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970283507909700960


For feedback, file a bug with component Speed>Bisection

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970259900185860896

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8970259888586814416

Kicked off bisects on a few different platforms.

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : cc_perftests
  Metric       : prepare_tiles/10_1000


To Run This Test
  src/build/android/test_runner.py gtest --release -s cc_perftests --verbose

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970259888586814416


For feedback, file a bug with component Speed>Bisection

=== BISECT JOB RESULTS ===
NO Perf regression found, tests failed to produce values

Bisect Details
  Configuration: android_nexus7_perf_bisect
  Benchmark    : cc_perftests
  Metric       : prepare_tiles/2_1000


To Run This Test
  src/build/android/test_runner.py gtest --release -s cc_perftests --verbose

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8970259900185860896


For feedback, file a bug with component Speed>Bisection

Simon, I think this might be a dupe but I can't find it. Bisect isn't finding the apk for cc_perftests:

Bisect from #8
https://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus7_perf_bisect/builds/4606
https://luci-logdog.appspot.com/v/?s=chrome%2Fbb%2Ftryserver.chromium.perf%2Fandroid_nexus7_perf_bisect%2F4606%2F%2B%2Frecipes%2Fsteps%2FGathering_reference_values%2F0%2Fsteps%2FPerformance_Test_1_of_6%2F0%2Flogs%2FFailure_Output%2F0

Traceback (most recent call last):
  File "/b/c/b/android_nexus7_perf_bisect/src/build/android/test_runner.py", line 983, in main
    return RunTestsCommand(args)
  File "/b/c/b/android_nexus7_perf_bisect/src/build/android/test_runner.py", line 727, in RunTestsCommand
    return RunTestsInPlatformMode(args)
  File "/b/c/b/android_nexus7_perf_bisect/src/build/android/test_runner.py", line 833, in RunTestsInPlatformMode
    test_instance = test_instance_factory.CreateTestInstance(args, infra_error)
  File "/b/c/b/android_nexus7_perf_bisect/src/build/android/pylib/base/test_instance_factory.py", line 18, in CreateTestInstance
    args, device_dependencies.GetDataDependencies, error_func)
  File "/b/c/b/android_nexus7_perf_bisect/src/build/android/pylib/gtest/gtest_test_instance.py", line 307, in __init__
    error_func('Could not find apk or executable for %s' % self._suite)
  File "/b/c/b/android_nexus7_perf_bisect/src/build/android/test_runner.py", line 750, in infra_error
    sys.exit(constants.INFRA_EXIT_CODE)
SystemExit: 87

Looks like it's probably a dupe of this:  crbug.com/752409 

I'm most of the way to a fix there, need some feedback on what to do with the bisect builders (as noted in bug).