Updating portal item to use the data in ArcGISRuntimeSDK. (#833) (#834)

Author: mfeigl

scene/add-3d-tiles-layer/src/main/java/com/esri/samples/add_3d_tiles_layer/Add3dTilesLayerSample.java

@@ -96,7 +96,7 @@ private void setInitialViewpoint() {
 
   private void add3DTilesLayer() {
     String tilePath =
-        "https://tiles.arcgis.com/tiles/N82JbI5EYtAkuUKU/arcgis/rest/services/Stuttgart/3DTilesServer/tileset.json";
+        "https://tiles.arcgis.com/tiles/ZQgQTuoyBrtmoGdP/arcgis/rest/services/Stuttgart/3DTilesServer/tileset.json";
 
     Ogc3DTilesLayer ogc3dTilesLayer = new Ogc3DTilesLayer(tilePath);
     arcGISScene.getOperationalLayers().add(ogc3dTilesLayer);