msm8974: Update media codec list

 * Add all FFMPEG decoders now that the turf war is resolved.

Change-Id: I909529805481356abefcb3d0b254b2da0163cd37
Add proximity wake flag

Use frameworks opt-in functionality.

Depends on http://review.cyanogenmod.org/#/c/69169/

Change-Id: Ib078b65252bd5ca4da3d71d8d73f66ba7e8bf333