Enable some settings pages to use paralleled-loading method

- Here these pages include AppInfoDashboardFragment, ConnectedDeviceDashboardFragment,
  DevelopmentSettingsDashboardFragment, NetworkDashboardFragment, ConfigureNotificationSettings.
- The TimeSpentInAppPreferenceController use the LiveDataController.

Fixes: 135299529
Bug: 137558156
Test: compilation
Change-Id: I455a16536c9966184f1b2bd81d1f1217f3e09f9d

src/com/android/settings/notification/ConfigureNotificationSettings.java

@@ -90,6 +90,11 @@ public class ConfigureNotificationSettings extends DashboardFragment implements
         return buildPreferenceControllers(context, app, this);
     }
 
+    @Override
+    protected boolean isParalleledControllers() {
+        return true;
+    }
+
     private static List<AbstractPreferenceController> buildPreferenceControllers(Context context,
             Application app, Fragment host) {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();