[TIMOB-9652] MobileWeb: scrollView - does not scroll correctly when contentHeight is changed

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


var scrollView = Titanium.UI.createScrollView({
	contentWidth:'auto',
	contentHeight:'auto',
	top:0,
	showVerticalScrollIndicator:true,
	showHorizontalScrollIndicator:true
});


var view = Ti.UI.createView({
	backgroundColor:'#336699',
	borderRadius:10,
	width:300,
	height:400,
	top:10
});

scrollView.add(view);

var button = Ti.UI.createButton({
	title: 'Click me'
});
button.addEventListener("click", function(){
	view.height = (view.height === 2000) ? 400 : 2000;
});
view.add(button);

win.add(scrollView);