Fix interface settings crash for devices without navbar + enable all expanded desktop options to all devices

Change-Id: Ifaedabdf9915bf0e9b228e145c8cac29145c65d4

Conflicts:
	res/xml/system_ui_settings.xml
	src/com/android/settings/cyanogenmod/SystemUiSettings.java

Conflicts:
	res/values/cr_strings.xml