Only modify network settings on system user

Captive portal, wi-fi and mobile data should not be modified for secondary users without user intervention

Issue: calyxos#1025
Change-Id: Ic24d18268d05b5a1535b3993bdd0a614055847f6

src/org/lineageos/setupwizard/NetworkSetupActivity.java

@@ -37,7 +37,9 @@ public class NetworkSetupActivity extends WrapperSubBaseActivity {
 
     @Override
     protected void onStartSubactivity() {
-        tryEnablingWifi();
+        if (SetupWizardUtils.isOwner()) {
+            tryEnablingWifi();
+        }
         Intent intent = new Intent(ACTION_SETUP_NETWORK);
         if (SetupWizardUtils.hasLeanback(this)) {
             intent.setComponent(SetupWizardUtils.sTvWifiSetupSettingsActivity);