Don't expand loc permission on fresh Q install

Only expand loc permissions on P->Q upgrade.

Test: - Upgraded from P->Q: Saw permissions expanded
      - Fresh install of Q and then "atest
      GtsPermissionTestCases:com.google.android.permission.gts.DefaultPermissionGrantPolicyTest#testDefaultGrantsWithRemoteExceptions"
Fixes: 131427665

Change-Id: I5c33577215566a7b7766a53f58c5ac5a6b7b4ee8