Merge "Partial revert of "Remove ConnectivityServiceTest signature perms use"" am: b9d05685fc am: 80b28dec8c am: 972b65d492

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1733172

Change-Id: I24ae86acd0c228066bcdd4c1932ee15a6f176055