props: make qualcomm location apk opt-in

Change-Id: Ifbca132e710e40780f800f5a1ebce0dff3e6e979
overlay: allow changing LED settings

* Our notifcation LEDs may not be really intrusive,
  but the code in Settings checks for these two to
  show the Notification light / Battery light settings.

Change-Id: Ib10531a6ad2f2347bd403c59c4e8048fb9334e21