Check NETWORK_SETTINGS permission for getAllNetworkStateSnapshots

This is declared in the API surface, but the implementation
does not match.

Test: atest CtsNetTestCases:android.net.cts.ConnectivityManagerTest#testGetAllNetworkStateSnapshots
Bug: 188140631

Merged-In: I3c2563d4ae4e3715d0c6270344ba8f7ef067872f
Merged-In: I97aa69651461ebe5c323ec669372f9a61b84e6a6
Change-Id: I97aa69651461ebe5c323ec669372f9a61b84e6a6
  (cherry-picked from ag/14601670)
diff --git a/service/src/com/android/server/ConnectivityService.java b/service/src/com/android/server/ConnectivityService.java
index eb7dccc..564512a 100644
--- a/service/src/com/android/server/ConnectivityService.java
+++ b/service/src/com/android/server/ConnectivityService.java
@@ -2223,7 +2223,7 @@
     @NonNull
     public List<NetworkStateSnapshot> getAllNetworkStateSnapshots() {
         // This contains IMSI details, so make sure the caller is privileged.
-        PermissionUtils.enforceNetworkStackPermission(mContext);
+        enforceNetworkStackOrSettingsPermission();
 
         final ArrayList<NetworkStateSnapshot> result = new ArrayList<>();
         for (Network network : getAllNetworks()) {