Fix compiler warnings.

This should fix everything but the platform_get_snd_device_name_extn
warnings which will be in a separate CL.

Change-Id: Iace30af1cb7754e0bcfd25de8dc55c2c059e30c6
Test: Still compiles.
5 files changed
tree: c61f52c0068a9ed8cc2bb4b7458315f09f54029d
  1. hal/
  2. legacy/
  3. post_proc/
  4. visualizer/
  5. voice_processing/
  6. Android.mk