supported Custom Renderer ยท aosoft/Xamarin.Forms.Unity@581a43f

* re-implements VisualElementRenderer * call Application.OnSleep / OnResume from MonoBehaviour.OnApplicationPause commit d5d94d3a0f6e1d74e51a84b6358e02dc7466531b - e1a571311604a53771b431467c8d860f...