Merge "audio: Add support to enable audio over bg" into pi-dev
am: 7f137fbf24

Change-Id: I0c64923c2ddcc8e558c2c7e6ba13d097afcd7705
tree: e92ac8419a253a8a6bcfa1d73e3ed876d4de9e9e
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk