settings: Enable RestrictedNetworkingMode

* HACK: This settings initialization should have been done since LMO 12, however,
  we missed it. To fix the issue on 12->13 flash, we initialize it in a version
  upgrade not present in 12. Note that this code block also is required for clean flash

Change-Id: Ibfcb5b76ea9a446a7d7a750aed17fe7b8ca1a99b

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

@@ -5869,6 +5869,7 @@ public class SettingsProvider extends ContentProvider {
                                 true /* makeDefault */,
                                 SettingsState.SYSTEM_PACKAGE_NAME);
                     }
+                    LMOSettingsProvider.loadRestrictedNetworkingModeSetting(getContext(), getGlobalSettingsLocked()); // This is a hack
 
                     // Following init logic is moved from version 212 to this version in order to
                     // resolve version conflict with wear branch.