am 43423549: Merge "Fix LauncherApps registerCallback adding duplicate callbacks." into mnc-dev
am 43423549: Merge "Fix LauncherApps registerCallback adding duplicate callbacks." into mnc-dev

* commit '434235496c6356dd5e2fc9977c5f1d0609fd3d2a':
  Fix LauncherApps registerCallback adding duplicate callbacks.

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