Add permissions check to isInSignificantPlace()

Require the ACCESS_FINE_LOCATION permission for this API.

Flag: EXEMPT bugfix
Bug: 374257207
Test: manual
(cherry picked from commit 389e4cf7)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f085fccf0bb7963962ae56618c5b3a1762d3aeab)
Merged-In: I1c5ef857c750dbbd0577f5aadc43e9b6122de790
Change-Id: I1c5ef857c750dbbd0577f5aadc43e9b6122de790