Camera Tile

Change-Id: I1b4d6ec72886a053bb6a77679c54fa1481a6221d

Adapted and rebased from CyanogenMod for the PA quicksettings.
Patch 2: add resources for camera tile
Patch 3: fix tile to show
Change-Id: I4ec134b960a053a35a30ebc9dc4e785cc63142b5