Camera: Add support for QC camera features.

Added APIs and keys for all QC features. This
will enable application to get/set paramters.

Change-Id: I58a53c7b9133a3acddc34b268dac086c9562d533

Conflicts:
	core/java/android/hardware/Camera.java
	core/jni/android_hardware_Camera.cpp
Traffic: update display logic

Change-Id: Ic512d4deb816dd19c2b1c965686e85448fd1e2fc