Settings: Modify AOSP EL translations

Change-Id: I7e3a59412a2884c26a5eb165676e381d003f0fca
Settings : Make proximity opt-in

Change-Id: Idfa64758a3c6d60ca4801f6f7f34f0429f95cbec

Conflicts:
	res/xml/display_settings.xml
	src/com/android/settings/DisplaySettings.java