[TIMOB-12007] iOS: UICompositeLayout - View is displayed at the top left corner of the screen momentarily before being displayed at center.

View is displayed at the top left corner of the screen momentarily before being displayed at center. This is not regression since the issue occurs since 2.1.3. Steps to reproduce: 1. Create an app using the code below. 2. Launch app on iPad. Actual: The View is displayed at the top left corner of the screen momentarily before being displayed at center. Expected: The view should be displayed at the center only.

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

var view = Ti.UI.createView({
	backgroundColor:'white',
	width:2,
	height:2
});

win.add(view);
win.open();