[Catalyst] Add initial ScreenTimeoutScreen

Bug: 368359967
Flag: com.android.settings.flags.catalyst_screen_timeout
Test: atest
Change-Id: I13d23e4e5164c3dd4a4a01b00b854642f748b020

src/com/android/settings/display/ScreenTimeoutSettings.java

@@ -36,6 +36,7 @@ import android.os.UserHandle;
 import android.provider.Settings;
 import android.util.Log;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.preference.PreferenceScreen;
 
@@ -309,6 +310,11 @@ public class ScreenTimeoutSettings extends RadioButtonPickerFragment
         return R.xml.screen_timeout_settings;
     }
 
+    @Override
+    public @Nullable String getPreferenceScreenBindingKey(@NonNull Context context) {
+        return ScreenTimeoutScreen.KEY;
+    }
+
     @Override
     public int getHelpResource() {
         return R.string.help_url_adaptive_sleep;