audio: sndmonitor

Monitor sound card status and report online/offline
events back to the streams registered with it and
to audio_dev.

Bug: 30075678
Change-Id: Iea74d5c83f7fe92ba4a24f4f4650ce255bdb48e8
9 files changed
tree: e8e031ceb691eac031d6262b58d5b8626dd7043c
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk