[TIMOB-6228] iOS: animate callback never gets executed when when using Ti.UI.createAnimation

Animate callback never gets called if you use Ti.UI.createAnimation. It get called if you use an object instead. Step 1: Run the code below Step 2: click the window Step 3: notice that the info statement never shows Step 4: in animate() replace 'animation' with 'animationObj'. Step 5: run code Step 6: click the window Step 7: notice the info statement in the callback shows up.

var win = Ti.UI.createWindow({
	backgroundColor:'blue'
});

win.addEventListener('click',function(e){
	Ti.API.info('CLICKED');
	var animation = Ti.UI.createAnimation({
		backgroundColor:'red',
		duration: 500
	});
	var animationObj = {backgroundColor:'red', duration:2000};
	win.animate(animation, function(){
		Ti.API.info('DONE!!!');
	});
});

win.open();

Workaround(s)

1. use an object for your animation 2. animation.addEventListener('complete', function(){});