[MOD-2426] Ti.Map: Android - Marker Clustering

   var map = require("ti.map");
   var mapView = map.createView({
       clusterCellSizeFactor: 0.5,
       clusterTintColor: "red"
       clusterTextColor: "white"
   });
   var annotations = [];
   
   for(var i = 0; i < 10000;i++) {
       annotations.push(map.createAnnotation({
           latitude: 52.695348 +i,
           longitude: 7.299401 + Math.sin(i),
           title: "Annotation"
       }));
   }
   
   mapView.setAnnotations(annotations);
   mapView.cluster();
   
   var window = Ti.UI.createWindow();
   window.add(mapView);
   window.open();