Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9003416352732985344

===== BISECT JOB RESULTS =====
Status: completed


===== SUSPECTED CL(s) =====
Subject : Convert AVDAs thread hang detection to be timer based
Author  : watk
Commit description:
  
Previously AVDAManager counted the number of tasks pending on the construction
thread and considered the thread hung when that number exceeded a threshold.
Now we use a MessageLoop::TaskObserver to watch how long tasks take. If a task
takes longer than 800ms it's considered hung. This mechanism should be more
robust because we don't have to worry about counting the tasks correctly.

BUG= 638406 

Review-Url: https://codereview.chromium.org/2245333004
Cr-Commit-Position: refs/heads/master@{#413527}
Commit  : d8e0dfd15ced352e5a4128553397609fb08f4c00
Date    : Mon Aug 22 20:47:40 2016


===== TESTED REVISIONS =====
Revision         Exit Code  Std Dev  N  Good?
chromium@413517  0          N/A      2  good
chromium@413525  0          N/A      2  good
chromium@413526  0          N/A      2  good
chromium@413527  1          N/A      2  bad    <--
chromium@413529  1          N/A      2  bad
chromium@413533  1          N/A      2  bad
chromium@413549  1          N/A      2  bad

Bisect job ran on: android_one_perf_bisect
Bug ID: 640727

Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests webrtc.peerconnection
Test Metric: Memory_BrowserUsed/720p_call_45s
Relative Change: Zero to non-zero
Score: 99.9

Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_one_perf_bisect/builds/1577
Job details: https://chromeperf.appspot.com/buildbucket_job_status/9003416352732985344


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  https://chromeperf.appspot.com/bad_bisect?try_job_id=5861058330230784

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