HAL: msm89{16,74} cleanup mixer on platform deinit
am: e35d4aff65

Change-Id: I9ffb19a2ab5c875f8b0f3c46645cc50873a4a2e8
tree: 32395a6997fa6cb24d21b1d00e1aacedb1575e95
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk