Merge "[Wi-Fi] Fix EntityHeader signal strength icon invisible problem" into rvc-dev

    public void refreshPreferences() {

        final PreferenceScreen screen = getPreferenceScreen();

        for (AbstractPreferenceController controller : mControllers) {

            // WifiDetailPreferenceController2 gets the callback WifiEntryCallback#onUpdated,

            // it can control the visibility change by itself.

            // And WifiDetailPreferenceController2#updatePreference renew mEntityHeaderController

            // instance which will cause icon reset.

            if (controller instanceof WifiDetailPreferenceController2) {

                continue;

            }

            controller.displayPreference(screen);

        }

    }