All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=640307

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1sLfuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1vyNpwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgICg1oDCrgoM


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

webrtc-android-tests-nexus9

sprang@: It seems like your CL https://codereview.webrtc.org/2198933004 is a possible cause of these performance regressions. Could you please have a look!

I doubt that change would have such an effect. More likely, this is the "culprit": https://codereview.webrtc.org/2201093006
Also note that the "regression" is an improvement. Looks like wai to me.

lgtm