Enable use of FFMPEG codecs for extended formats

Change-Id: I1dc66749b6b5548c3617cbbfff389abc3d319562
Stick with the same hp filter for all paths

Change-Id: I76b82952129c7502f6706c168e630ada8085bd1a
Don't go into full suspension when proximity is triggered

Change-Id: I2a91722b61050698b6684da0a06d959c046416da
camera: Restart preview after ZSL changes only if the preview is running

Don't touch the preview state if it was stopped to begin with

Change-Id: Ie81c01165778f98f92f11badc17c2023ea4610b7