camera: add support for various scene modes

PatchSet 2 : Eliminated remaining white space

Change-Id: I2a6e1de2279ed8718e87d7690c9bdcc2b96cce46
Camera: add support for various scene modes

PatchSet 2 : Eliminated remaining white space

Change-Id: I2a6e1de2279ed8718e87d7690c9bdcc2b96cce46