Merge "Revert "Prevent recents from closing while moving PiP to fullscreen."" into nyc-dev
am: fa255f6

* commit 'fa255f6ead7097acba8400998c47685cc3defc67':
  Revert "Prevent recents from closing while moving PiP to fullscreen."

Change-Id: Iaf4f67f1dfac20235c99066d236102acad5e35d0