Use appId for looking up allowed on restricted networks uids list

aosp/1770606 change uid to appId when filling allowed on
restricted networks uids list. So add UserHandle.getAppId() to
ensure that uses appId for looking up the list.

Bug: 192116643
Test: atest FrameworksNetTests
Original-Change: https://android-review.googlesource.com/1773886
Merged-In: I04fe3a77464d4cb02e7d53026f8f9a10bd0829e1
Change-Id: I04fe3a77464d4cb02e7d53026f8f9a10bd0829e1

service/src/com/android/server/connectivity/PermissionMonitor.java

@@ -303,7 +303,7 @@ public class PermissionMonitor {
         if (appInfo == null) return false;
         // Check whether package's uid is in allowed on restricted networks uid list. If so, this
         // uid can have netd system permission.
-        return mUidsAllowedOnRestrictedNetworks.contains(appInfo.uid);
+        return mUidsAllowedOnRestrictedNetworks.contains(UserHandle.getAppId(appInfo.uid));
     }
 
     @VisibleForTesting