am 5158db8b: Reconcile with jb-release

* commit '5158db8b':
  Fix an NPE and possible unsynchronized call of Locked method.
  Fix 6665117: ACTION_ASSIST visual improvements
  Capture window manager's last ANR state in bug report.
  Capture input dispatcher's last ANR state in bug report.
  Fix issue #6636731: Mariner animation ring gets stuck
  Jelly Bean ringtone Bug: 6619980
  Remove Disco video from builds.
  Change snap behavior for lock screen
  Improve ANR diagnostics.
  Detect bad behavior earlier in Choreographer.
  Revert "Fix fake bold for fallback fonts in frameworks."
  Include important native processes in watchdog stacks.
  Fix issue #6641368: can't launch gallery