Use audio_stream_type_t consistently

At native level it was a mixture of audio_stream_type_t, int, uint32_t,
and uint8_t.  Java is still int.  Also fixed a couple of hard-coded -1
instead of AUDIO_STREAM_DEFAULT, and in startToneCommand a hard-coded 0
instead of AUDIO_STREAM_VOICE_CALL.

Change-Id: Ia33bfd70edca8c2daec9052984b369cd8eee2a83
22 files changed
tree: f5331971b746b2e0d878e1127003a0dab72e5fbb
  1. camera/
  2. cmds/
  3. drm/
  4. include/
  5. media/
  6. services/