Merge changes from topic 'snd_card_monitor' into nyc-mr1-dev

* changes:
  audio: Reject offload open_output_stream when sound card is offline
  audio: Propagate fatal error during offload to AF
  audio: sndmonitor
tree: 7e030688e6a50086c0e6f409a3fb0608a56e2ad1
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk