All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=714577

Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?keys=agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggo2ZgAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggu2l-QkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggvT9nAsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgwvKquAkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggpGkswoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDgguuLtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggvTE6AsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggp27uwsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_N_Q_AoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggoHTuAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_NvKoQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggs-togsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_O6p6gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggti1pAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggpbisQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggt2TsAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggrnLvwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_Ju79wgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggs-togkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggt2FoQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggozMswkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggszJqQsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_K-Z_QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_J-ppQkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_K-DogsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggt3UtwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_IXg4QgM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggsKL4gsM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggs-xvQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggrnsuwoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggsrEowoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqLd7goM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggvK57ggM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggqz0rQoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggoq_vAoM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggrS1vgkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDggua6ugkM,agxzfmNocm9tZXBlcmZyFAsSB0Fub21hbHkYgIDg_L_CvgoM


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

webrtc-android-tests-nexus4-lollipop
webrtc-android-tests-nexus5
webrtc-android-tests-nexus5-kitkat
webrtc-android-tests-nexus6-lollipop
webrtc-android-tests-nexus6-nougat
webrtc-android-tests-nexus72

From the discussion of the previous bug for corresponding regressions (https://bugs.chromium.org/p/chromium/issues/detail?id=710344) it's clear that this was expected.