hal: add support for AudioSphere effects.

Add support to set and get AudioSphere parameters.
AudioSphere post processing is supported on stereo
speakers to add virtualization effect to audio
playback.

Change-Id: I85c5ce44b109cb51fce19df0f438ecf6a6d7661e
2 files changed
tree: 1101bd81efde53ae2d800439c0b83d8fb3804817
  1. hal/
  2. legacy/
  3. msm8909/
  4. post_proc/
  5. visualizer/
  6. voice_processing/
  7. Android.mk