Notification drawer custom background + notification rows transparency (2/2)
- This commit also includes seekbar

Optimized for ModdedPA settings

Change-Id: I833b9d1b472885c4acc7a213d21c8ff398c2cd29

Conflicts:
	res/values/cr_arrays.xml
	res/values/cr_strings.xml
	res/xml/crdroid_settings.xml