[TIMOB-7584] Android: opening a new window, background color is briefly displayed before objects are added to the screen

var win = Ti.UI.createWindow({
  navBarHidden : true,
  backgroundColor : 'green',
});

function createNewWin() {
  var win2 = Ti.UI.createWindow({
    navBarHidden : true,
    backgroundColor : 'black',
  });

  for( i = 0; i < 20; i++) {
    var view = Ti.UI.createView({
      backgroundColor : 'blue',
    });
    win2.add(view);
  }

  return win2;
}

var button = Ti.UI.createButton({
  title : 'Open New Win',
  width : 150,
  height : 60,
  top : 20
});

win.add(button);

button.addEventListener('click', function() {
  var win3 = createNewWin();
  win3.open();
});

win.open();