[TIMOB-17672] iOS: Black bar added over navBar when rotating back from full screen

// this sets the background color of the master UIView (when there are no windows/tab groups on it)
Titanium.UI.setBackgroundColor('#000');
 
// create tab group
var tabGroup = Titanium.UI.createTabGroup();
 
 
//
// create base UI tab and root window
//
var win1 = Titanium.UI.createWindow({  
    title:'Tab 1',
    backgroundColor:'#fff',
    navBarHidden: false,
    tabBarHidden: true
});
var tab1 = Titanium.UI.createTab({  
    icon:'KS_nav_views.png',
    title:'Tab 1',
    window:win1
});
 
var b1 = Titanium.UI.createButton({
    title:'Win 2',
    height:40,
    width:200,
    top:30
});
 
win1.add(b1);
 
b1.addEventListener('click', function(e)
{
    var w = Titanium.UI.createWindow({
    fullscreen:true,
    //url:'new_win.js',
    barColor:'#111',
    orientationModes:[Titanium.UI.LANDSCAPE_LEFT]
    });
     
    tab1.open(w);
});
 
tabGroup.addTab(tab1);  
 
 
// open tab group
tabGroup.open();