hal: add mixer path for unprocessed devices am: 0125e7851a am: 63f06ca3c9
am: 264a255660

Change-Id: I060c215de520487daccc4425e20501fba3a693ee
tree: 06c4db08f64b9ad029c09d5f89cbf7858168220b
  1. hal/
  2. legacy/
  3. msm8909/
  4. post_proc/
  5. visualizer/
  6. voice_processing/
  7. Android.mk