Move channel expansion/contraction functions out of USB audio HAL.

Change-Id: I551bdf90315488791a7c05ebc70039ccebee209f
3 files changed
tree: 3168a565867b013e6e3e092fde6a08935e34842d
  1. audio_effects/
  2. audio_route/
  3. audio_utils/
  4. camera/
  5. private/
  6. CleanSpec.mk