Camera: Add SCENE_MODE_HDR.
Camera: Add SCENE_MODE_HDR.

Change-Id: I43262e6ecd4bdd9a2ed2e94c05ad95435b32a0cd

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