am 568356ff: Merge "Changes callback to a WeakReference in ActivityContainerCallback." into lmp-mr1-modular-dev
am 568356ff: Merge "Changes callback to a WeakReference in ActivityContainerCallback." into lmp-mr1-modular-dev

* commit '568356ff9a1deab794d329f8c2e245f5a564a2f3':
  Changes callback to a WeakReference in ActivityContainerCallback.

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base