Merge changes from topic \'vr-fixes\' into nyc-dev am: 064e612
am: 3e8c149

* commit '3e8c149df569a9ba9f1eda6b5bca31181f0b136a':
  Suppress immersive mode confirmation in VR mode.
  Suppress heads-up notifications in VR mode.

Change-Id: I801b15425faa32b42271d3a59736f2f1c55ef065