audio: free and assign NULL to global static device pointer am: 73d6b59977
am: be2fe7fb40

Change-Id: Ideecac7779bbff9f3477d3ce832dd7baf7019b9e
tree: f90d96ca6cd22796eb191e886167942b4b311cae
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk
  7. OWNERS