SlimRecent: Make it optional [2/2]

Change-Id: I3f76ac158d55fc67b5a60b54640350b576b13ef2

Conflicts:
	res/xml/system_ui_settings.xml
	src/com/android/settings/cyanogenmod/SystemUiSettings.java
Settings: SlimRecents scaling + lefty mode (3/3)

Change-Id: Ia25f53ddd197a6fca2cd9239180302aa081e399a

Conflicts:
	res/values/n5x_arrays.xml
	res/values/n5x_strings.xml
[2/2] Settings: Add brightness slider to notification drawer

Change-Id: I596495edc92471f3b2437257284ba6a7a5bd9511