Improve android.hardware.Camera.setRotation javadoc.
Improve android.hardware.Camera.setRotation javadoc.

Change-Id: If6c77044f3f4567ab0c3987fb2ddc47ae307582a

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base