Camera2: Headset shutter mode

Use play button on headset to take a picture/video/panorama
Use media next/previous for zoom

Change-Id: I25c22646b041e5e0941fbe361eccfe77a2a1e42f
Camera: add Smart capture

add back smart capture feature. Recoded and addapt to the
new aosp camera. This time each camera and video can set it
seperatly.

drawables by kbeezie

moved exposure into enhance menu.

Change-Id: I87a895c21c53d11cab573df4fd76f1628ca03b1a
Camera2: KO translations

Change-Id: I112d8b6ba917abb3e7aadb0e87d7cea9512cbad1