Migrate System -> Languages to Catalyst

Bug: 375543649
Test: atest SettingsUnitTests
Flag: com.android.settings.flags.catalyst_language_setting
Change-Id: If7d01bd76ebf8cecb3bcc6b6528cfaec176cdc93

src/com/android/settings/language/LanguageSettings.java

@@ -66,6 +66,11 @@ public class LanguageSettings extends DashboardFragment {
         activity.setTitle(R.string.languages_settings);
     }
 
+    @Override
+    public @Nullable String getPreferenceScreenBindingKey(@NonNull Context context) {
+        return LanguageSettingScreen.KEY;
+    }
+
     @Override
     protected int getPreferenceScreenResId() {
         return R.xml.language_settings;