[ALOY-139] Android : Unable to add a window to the root index on Android

*Note* This issue did not occur on iOS Steps to reproduce: 1. Create a default app in Ti Studio 2. Enable it for alloy 3. In the index.js file change the code to the following

var win = Ti.UI.createWindow({
		height: 100,
                backgroundColor : '#000'
	});
$.index.add(win);

$.index.open();

4. In the file index.xml remove the line for the hello world label so there is only one xml tag for the "container" window 5. Run the app Actual result: The app will fail to start and give an error *See attached log file* Expected result: The app launches normally