m7: camera: hack to make video hdr working

Depends on: http://review.cyanogenmod.org/#/c/44606/

Change-Id: I9a258d0903cf9c0ef23845a7b74793b52ddaf44a
Merge "m7: camera: hack to make video hdr working" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1