msm8960: Make Samsung camera mode optional

* It breaks 3rd party camera apps on serrano

Change-Id: If98deb406d294774199e538e8ec7ae050d24da73
enable Samsung camcorder mode on a whitelist basis

Intercept binder call to mediaserver and determine which app is using
the camera.
Enable Samsung Camera Mode for certain programs it's known to work with.
This should fix taking pictures in the SMS client on Hangouts on derp2.

Change-Id: I25216315d281a70a3bf8bc66c1340d1e135fe4ce