msm8960: CameraWrapper

* moved from d2-common and modified to support d2 and jf

Change-Id: I674bd4e27d9b5f239cec4e5356c330c16f11f325
d2/jf re-enable cancel_auto_focus

zsl cameras need this
https://github.com/CyanogenMod/android_packages_apps_Camera2/commit/110c926aca9918cdd2f30861be64a4497ef25b66

Change-Id: I47379f9c3327620ada1ce1e993179c8a5a04674a
Merge branch 'cm' into HEAD