[TIMOB-15847] Android: "Make Announcement" in Accessibility feature does not work

var tabGroup = Ti.UI.createTabGroup({orientationModes: [Ti.UI.PORTRAIT]}),

winEvents = Ti.UI.createWindow({
	title: "Events",
	layout: "vertical",
	backgroundColor: "#fff"
}),

tabEvents = Ti.UI.createTab({
	window: winEvents,
	title: winEvents.title
}),
announceButton = Ti.UI.createButton({
	top: 16, width: 8 * 30, height: 48,
	title: "Make announcement"
}),

eventLog = Ti.UI.createLabel({
	top: 16, left: 32, right: 32,
	//height: 48 * 5,
	verticalAlign: Ti.UI.TEXT_VERTICAL_ALIGNMENT_TOP,
	accessibilityHidden: true,
	accessibilityLabel: "My special label.",
    accessibilityValue: "No value.",
    accessibilityHint: "No action",
}),
versionParts = Ti.Platform.version.split("."),
isJellyBeanOrBetter = (parseInt(versionParts[0] > 4) ||
					   (parseInt(versionParts[0]) == 4 && parseInt(versionParts[1]) > 0));



announceButton.addEventListener("click", function() {
	setTimeout(function(){
        Ti.App.fireSystemEvent(Ti.App.EVENT_ACCESSIBILITY_ANNOUNCEMENT,
                           "Please stand by for an urgent message from the Department of Home Land Security.");
    },500);
});

Ti.App.addEventListener(Ti.App.EVENT_ACCESSIBILITY_CHANGED, function(e) {
	eventLog.text += "\nAccessibility state changed: " + (e.enabled ? "it is now enabled." : "it is now disabled.");
});


winEvents.add(announceButton);
winEvents.add(eventLog);

tabGroup.addTab(tabEvents);
tabGroup.open();