[TIMOB-9466] Android: Scrollview content can think it is bigger then it actually is

Titanium.UI.setBackgroundColor('#000');
 
var win = Titanium.UI.createWindow({  
    title:'window',
    backgroundColor:'#fff'
});
 
var mainView = Ti.UI.createView({
    layout: 'vertical',
    top: 0,
    width: '100%',
    height: '100%'
})
 
var image1 = Ti.UI.createImageView({
    width: 200,
    height: 200,
    image: "KS_nav_views.png"
})
 
var view = Ti.UI.createView({
    backgroundColor: 'blue',
    height: '100%',
    layout: 'vertical'
});
 
var scroll = Ti.UI.createScrollView({
    backgroundColor: "#444",
    contentHeight: 'auto',
    contentWidth: 'auto',
    height: '50%',
    width: '100%',
    showVerticalScrollIndicator : true,
    layout: 'vertical',
    top : 0
});
 
view.add(scroll);
 
var label = Ti.UI.createLabel({
    text: 'why does this scroll?'
});
 
scroll.add(label);
 
var image2 = Ti.UI.createImageView({
    width: 200,
    height: '25%',
    image: "KS_nav_ui.png",
    bottom : 0
});
 
win.add(mainView);
mainView.add(image1);
mainView.add(view);
win.add(image2);
 
win.open();