Statusbar center clock optional setting (1/2)

Change-Id: I2dea2f63a5b86d117c1a9d63d0c69a4158d286b4
Revert "Revert "Add SCENE_MODE_OFF support for Camera framework""

This reverts commit 12538695a741670c094ca31efab1c275a808ba38

Does not break builds: Example of a successful build here: http://jenkins.cyanogenmod.com/job/android/7513/