Enforce ACCESS_COARSE_LOCATION on getCellLocation

A implementation bug in Q meant that we weren't checking
ACCESS_COARSE_LOCATION on apps targeting API 28 or earlier on
getCellLocation. This change patches this issue.

Bug: 147402629
Test: atest TelephonyManagerTest:#testSdk28CellLocation
Change-Id: Ie1f622307dec66500b83e960a44f49c37068007e
1 file changed