Fix InvisibleToggle type service does not turn on or turn off correctly when edit shortcut dialog.

Root cause: service status is not updated after the shortcut status
changed.

Next: Add callback to update the service status

Bug: 155157599
Test: Manual test
Change-Id: I286a04d43066c787304c54eb7b0dfdac5728b6ac

src/com/android/settings/accessibility/ToggleScreenMagnificationPreferenceFragment.java

@@ -381,7 +381,8 @@ public class ToggleScreenMagnificationPreferenceFragment extends
         return shortcut.getType();
     }
 
-    private void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
+    @Override
+    protected void callOnAlertDialogCheckboxClicked(DialogInterface dialog, int which) {
         updateUserShortcutType(/* saveChanges= */ true);
         optInAllMagnificationValuesToSettings(getPrefContext(), mUserShortcutType);
         optOutAllMagnificationValuesFromSettings(getPrefContext(), ~mUserShortcutType);