Add active display to ChameleonOS [2/2]

Change-Id: I1b42fef91825f6317d96d54fec7f3a271625f7f0

Conflicts:
	res/values/cm_arrays.xml
	res/xml/system_ui_settings.xml
Active display: Add options for date and am/pm [2/2]

Change-Id: Iacf152a7d8f950163c3d923bf7b326f382979c4f
Active display: Add sunlight mode. [2/2]

Change-Id: Id4bacfc72caa9fb7bfe85561a1db9d4f18524d89
Active display: Option to change display timeout [2/2]

Change-Id: I0775958cc47163da084d10c5fb80fa06814a32c5
Active display: allow hiding low priority notifications. [2/2]

Change-Id: Ifad65935440f67fc56ec5859a8611806e3111069