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/connecteddevice/ConnectedDeviceDashboardFragment.java

@@ -49,6 +49,11 @@ public class ConnectedDeviceDashboardFragment extends DashboardFragment {
         return TAG;
     }
 
+    @Override
+    protected boolean isParalleledControllers() {
+        return true;
+    }
+
     @Override
     public int getHelpResource() {
         return R.string.help_url_connected_devices;