d2-common : Enable SELinux

Change-Id: I95ce6702f6327f68f33db9b92691299669f69c24
d2-common:  Move Camera overlay settings to Gallery2
Adjust settings for 10.2 camera

Patch set 2 - added missing values in config.xml
            - added arrays.xml for valid Camera settings
              (VGA added back in as front side camera currently requires it for Gallery2)

Change-Id: Ie9e0505cfcc4c5391a2a116e75c6cfeef360f364