find5: camera: Don't enable video-hdr on frontcam

Change-Id: I91615c6516493289250bff6eca922473034df409
camera: Use common CM ABI hack implementation

This lets us track gralloc_priv changes, otherwise priv changes
can break us like they did last night.

Change-Id: I65390fe6c30828d9ea4b7d97b68ca168a1dd3853
Merge remote-tracking branch 'cm/cm-10.1' into jb-mr1