[TIMOB-27075] Android: Cannot change TabGroup tab icon or title after creation

   	var win1 = Ti.UI.createWindow({
   		backgroundColor: 'blue',
   		title: 'Blue'
   	});
   	var button = Ti.UI.createButton({ title: 'Change tab' });
   	button.addEventListener('click', function () {
   		tab1.icon = '/images/ChatBadge.png';
   		tab1.title = 'changed';
   	});
   	win1.add(button);
   
   	var win2 = Ti.UI.createWindow({
   		backgroundColor: 'red',
   		title: 'Red'
   	});
   	win2.add(Ti.UI.createLabel({ text: 'I am a red window.' }));
   
   	var tab1 = Ti.UI.createTab({
   			window: win1,
   			title: 'Blue'
   		}),
   		tab2 = Ti.UI.createTab({
   			window: win2,
   			title: 'Red'
   		}),
   		tabGroup = Ti.UI.createTabGroup({
   			tabs: [ tab1, tab2 ]
   		});
   	tabGroup.open();