[TIMOB-7012] Android: Modal WIndow: Kindle Fire: v8/rhino: performance on text field entry is slow and unusable when a window is opened as a modal

var win = Ti.UI.createWindow({ backgroundColor:'#000' });
var win2 = Ti.UI.createWindow({ navBarHidden:true, backgroundColor:'#f00' });
var btn = Ti.UI.createButton({ title:'open', height:50, left:10, right:10 });

btn.addEventListener('click', function(e) {
  var textField = Ti.UI.createTextField({ height:50, left:10, right:10 });
  
  win2.add(textField);
  
  win2.open({ modal:true });
});

win.add(btn);

win.open();