feat: added OnInfoWindowCloseListener

Author: kikoso

library/src/main/java/com/google/maps/android/collections/MarkerManager.java

@@ -133,6 +133,8 @@ protected void removeObjectFromMap(Marker object) {
     public class Collection extends MapObjectManager.Collection {
         private GoogleMap.OnInfoWindowClickListener mInfoWindowClickListener;
         private GoogleMap.OnInfoWindowLongClickListener mInfoWindowLongClickListener;
+
+        private GoogleMap.OnInfoWindowCloseListener mInfoWindowCloseListener;
         private GoogleMap.OnMarkerClickListener mMarkerClickListener;
         private GoogleMap.OnMarkerDragListener mMarkerDragListener;
         private GoogleMap.InfoWindowAdapter mInfoWindowAdapter;
@@ -191,6 +193,10 @@ public void setOnInfoWindowLongClickListener(GoogleMap.OnInfoWindowLongClickList
             mInfoWindowLongClickListener = infoWindowLongClickListener;
         }
 
+        public void setOnInfoWindowCloseListener(GoogleMap.OnInfoWindowCloseListener infoWindowCloseListener) {
+            mInfoWindowCloseListener = infoWindowCloseListener;
+        }
+
         public void setOnMarkerClickListener(GoogleMap.OnMarkerClickListener markerClickListener) {
             mMarkerClickListener = markerClickListener;
         }