Merge branch \'ub-launcher3-burnaby-nyc\' into launcher3merge

am: 8c340dff

* commit '8c340dff':
  Fixing homescreen getting blank when returning from the overlay
  Fixing scrollTo getting called even though the gesture was handled by an overlay
  Adding overlay interaction support
  Cleaning up the overlay interface
  Enable selection action mode for Android M+.
  Fix home button returning to now screen issue
  Fixing bug where the widget background enters into a focused state if a child calls requestFocus in xml
  Import translations. DO NOT MERGE
  Import translations. DO NOT MERGE
  Import translations. DO NOT MERGE
  Return 1f in Log(Ac/De)celerateInterpolators on a 1f input.
  Revert "Calling start/stop listening in onStart/onStop"
  Fix incorrect icon greying on pre-N system
  Setting stable layout flags on the launcher, so that the instets do not change for launcher when going in/out of another app
  Showing a toast when changing wallaper is disabled
  Fix recyclerview res path

Change-Id: I102d05b078b85aae4e7eeb15c919d4aaec280942