[TIMOB-20138] Consecutive calls to ScrollableView.setViews causes the app to become unresponsive

(function() {
	var window = Ti.UI.createWindow();
	
	var mainView = Ti.UI.createView({
		backgroundColor:'#fff',
		width:Ti.UI.FILL,
		height:Ti.UI.FILL
	});
		
	var scrollableView = Ti.UI.createScrollableView({
		borderColor:'green',
		views:undefined,
		width:Ti.UI.FILL,
		height:'60%'
	});
	
	var viewA = Ti.UI.createView({
		backgroundColor:'black'
	});
	var colors = ['red', 'green', 'blue'];	
	var viewsB = [];
	for(var i = 0;i<3;i++){
		viewsB.push(Ti.UI.createView({
			backgroundColor:colors[i]
		}));
	}	
	scrollableView.setViews([viewA]);
	mainView.add(scrollableView);
	window.add(mainView);
	window.open();
	scrollableView.setViews(viewsB);	
})();