Option to configure No face detection on Back camera.

Fixes camera driver issues on tegra3 drivers. On htc
endeavoru camera crashes with uncompatible face data
passed by native camera libraries.

Change-Id: I3a65ad39fa4b96b66198bbb21fbc33be33075b29
Camera: Add shortcut to Gallery in CameraSwitcher

Adds shortcut to Gallery via Camera UI in switcher
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* Thanks to kwesley for images

Signed-off-by: bmc08gt <bmc08gt.teamb00sted@gmail.com>
Change-Id: Ibe3555248fc50b56876e8cd7f8282d6107bb1d6e