AI 144209: am: CL 144176 To fix the race condition in case "requestCancelDecode"   happens earlier than AutoDecoderCancel object is added   to the gAutoDecoderCancelMutex linked list.   Original author: raychen   Merged from: //branches/donutburger/...
AI 144209: am: CL 144176 To fix the race condition in case "requestCancelDecode"
  happens earlier than AutoDecoderCancel object is added
  to the gAutoDecoderCancelMutex linked list.
  Original author: raychen
  Merged from: //branches/donutburger/...

Automated import of CL 144209

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