[DO NOT MERGE] updateOverlayBounds no longer rely on LauncherCallback method mFixedSearchBarBounds is no longer used. am: 04907ee  -s ours
am: e72f45a  -s ours

* commit 'e72f45aab100bb3d33299a43ff59a5a069bfe7ff':
  [DO NOT MERGE] updateOverlayBounds no longer rely on LauncherCallback method mFixedSearchBarBounds is no longer used.

Change-Id: Id0a192aa02d04f855e35525ecb5b78b3b846ee82