Camera: add ISO mode support

Change-Id: Ied2075f950269990d836fc768b2c6c36088d494f
Camera: add additional ISO modes (2/2)

Change-Id: I3460c3de4cbef467430673146a9ddb2fdc8f5032
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