[Wi-Fi] Fix check mark button when edit the password of a secured network.

Should handle WifiConfigUiBase#dispatchSubmit() for check mark button events.

Bug: 152144169
Test: make RunSettingsRoboTests ROBOTEST_FILTER=ConfigureWifiEntryFragmentTest
      make RunSettingsRoboTests ROBOTEST_FILTER=ConfigureAccessPointFragmentTest
Change-Id: I35cbc1cdd6fbef3fd51aaa8dec94722e4155b7f4

src/com/android/settings/wifi/ConfigureAccessPointFragment.java

@@ -27,12 +27,12 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 
+import androidx.annotation.VisibleForTesting;
+
 import com.android.settings.R;
 import com.android.settings.core.InstrumentedFragment;
 import com.android.settingslib.wifi.AccessPoint;
 
-import androidx.annotation.VisibleForTesting;
-
 /**
  * Detail page for configuring Wi-Fi network.
  *
@@ -113,7 +113,7 @@ public class ConfigureAccessPointFragment extends InstrumentedFragment implement
 
     @Override
     public void dispatchSubmit() {
-        // Do nothing
+        handleSubmitAction();
     }
 
     @Override