am 898290af: am 166cf980: Merge "DO NOT MERGE. Don\'t use visibility flags to determine whether to dismiss Recents. (Bug 18802531)" into lmp-mr1-dev

* commit '898290afd55733b09a98eb15f6c71d6aaad75072':
  DO NOT MERGE. Don't use visibility flags to determine whether to dismiss Recents. (Bug 18802531)