Merge "libaudio: enable stereowide in audio_effects.conf" into android-4.4
p1-common: revision p1 front | back cameras

1. remove unused enums
2. add cflags for undeclared vars
3. add anti banding to front cam
4. fix video recording by removing deprecated
   high & low media profiles
   4.1 use mp4 instead 3gp

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I9e3592e5ace8f2ed5d1fcdc2cd19e44c858e912d