Use audio_format_t consistently

Was int, uint32_t, uint16_t, and uint8_t with 2-bit bitfield.
Also replace 0 by AUDIO_FORMAT_DEFAULT and replace 1 by
AUDIO_FORMAT_PCM_16_BIT.

Change-Id: Ia8804f53f1725669e368857d5bb2044917e17975
10 files changed
tree: d24fac9434dbe5808a6c31a50414da7b5ce47c9a
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/