[Catalyst] Keep activity title in sync with PreferenceFragment

Fix: 390135885
Flag: com.android.settings.flags.catalyst
Test: manual
Change-Id: I0a8edbc6fa2a13d653a85ddfe36bd551e09796f8

src/com/android/settings/dashboard/DashboardFragment.java

@@ -415,7 +415,6 @@ public abstract class DashboardFragment extends SettingsPreferenceFragment
                 removeControllersForHybridMode();
             }
             setPreferenceScreen(screen);
-            updateActivityTitleWithScreenTitle(screen);
         } else {
             addPreferencesFromResource(resId);
             screen = getPreferenceScreen();