[ALOY-439] ActionItems created in markup don't appear in action bar.

<Alloy>
	<Window class="container" onOpen="doWindowOpen" navBarHidden="false" exitOnClose="true">
		<Menu id="menu" platform="android">
			<MenuItem id="item1" title="One" onClick="doMenuClick" />
			<MenuItem id="item2" title="Two" onClick="doMenuClick" />
		</Menu>
		<Label id="label" onClick="doClick">Hello, World</Label>
	</Window>
</Alloy>

".container": {
},
"MenuItem": {
	showAsAction: Ti.Android.SHOW_AS_ACTION_ALWAYS
},
"#item1": {
	title: "One"
},
"#item2": {
	title: "Two",
	icon: "images/action_refresh.png"
},

"Label": {
	width: Ti.UI.SIZE,
	height: Ti.UI.SIZE,
	color: "#000"
}