stagefright: Fix pause logic

 * This code can race during CTS. Only wait for HW decoders.

Change-Id: I4cfa049f06d27ca7ca9107ae31772f38392a8bc2

Conflicts:
	media/libstagefright/OMXCodec.cpp
audio: compress offload to pcm fallback on SSR

- Add support for error propagation on
  time stamp query for playback session

- Add support for compress to pcm fallback
  during SSR

Change-Id: I4fa793de95bfe58cde7a05735d8f70a672ea19fc

Conflicts:
	media/libstagefright/AudioPlayer.cpp
	services/audioflinger/Threads.cpp