Check for location access on TelephonyRegistry

When sending outbound callbacks on CELL_INFO and CELL_LOCATION, check to
make sure that the user has authorized us and the receiving app to get
information on their location.

Bug: 69637693
Test: manual: telephony testapp
Change-Id: Ib4c8c6a9765f504823016e538dd46768d1032792
4 files changed