am ff69c55e: am 528e9abe: am 728b7500: Merge "Document possible null returns in PackageManager" into mnc-dev
am ff69c55e: am 528e9abe: am 728b7500: Merge "Document possible null returns in PackageManager" into mnc-dev

* commit 'ff69c55eb078060b4bd7cd2e16ebe35229957356':
  Document possible null returns in PackageManager

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