Fix method order

Author: tuyen-vuduc

demo/Naxam.MapboxQs/MainActivity.cs

@@ -67,14 +67,14 @@ protected override void OnSaveInstanceState(Bundle outState)
 		protected override void OnDestroy()
 		{
 			mapView.OnDestroy();
-			base.OnStop();
+			base.OnDestroy();
 		}
 
 		public override void OnLowMemory()
 		{
 			base.OnLowMemory();
 			mapView.OnLowMemory();
 		}
-	}
+	} 
 }