audio_hw: Fix unused attribute

Test: make
Change-Id: Ie9525ff7c60a47da52035cb7b46cbe86eea3734c
2 files changed
tree: cd5cad1354e8de6c6874cd0d5c6759acefad531a
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk