[TIMOB-27256] Android: AlertDialog cannot be re-shown in a different window as of 8.0.1

   var dialog = Ti.UI.createAlertDialog({
   	title: "Alert Dialog",
   	message: "This is the alert message.",
   	buttonNames: ["OK", "Cancel"],
   	cancel: 1,
   });
   
   var window = Ti.UI.createWindow();
   var button = Ti.UI.createButton({ title: "Show Alert" });
   button.addEventListener("click", function(e) {
   	var childWindow = Ti.UI.createWindow({ title: "Child Window" });
   	childWindow.addEventListener("open", function() {
   		function dialogEventHandler() {
   			dialog.removeEventListener("click", dialogEventHandler);
   			dialog.removeEventListener("cancel", dialogEventHandler);
   			childWindow.close();
   		}
   		dialog.addEventListener("click", dialogEventHandler);
   		dialog.addEventListener("cancel", dialogEventHandler);
   		dialog.show();
   	});
   	childWindow.open();
   });
   window.add(button);
   window.open();