Merge changes from topic \'vr-fixes\' into nyc-dev
am: 064e612

* commit '064e612779b960a0694d0334851d59d1c8aaf57d':
  Suppress immersive mode confirmation in VR mode.
  Suppress heads-up notifications in VR mode.

Change-Id: I4e0ffd004ff775243be1a70b99bc97db29ba1967