audio hal: report index channel masks for USB
am: 154055d2bc

Change-Id: I5f7b84191f4878876e800c5b5e5e32c1523e3465
tree: 02bef2541d47d53faf52159d49e1d26f08c2648b
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk
  7. OWNERS