[TIMOB-6592] Android: Gesture change event not fired when switching tab

// this sets the background color of the master UIView (when there are no windows/tab groups on it)
Titanium.UI.setBackgroundColor('#000');

// create tab group
var tabGroup = Titanium.UI.createTabGroup();
//
// create base UI tab and root window
//
var win1 = Titanium.UI.createWindow({
	title:'Tab 1',
	backgroundColor:'#fff',
	navBarHidden:false
});
var win3 = Titanium.UI.createWindow({
	title:'Tab 3',
	backgroundColor:'blue',
	navBarHidden:false
});

win3.orientationModes = [
     Titanium.UI.PORTRAIT,
     Titanium.UI.LANDSCAPE_LEFT,
     Titanium.UI.LANDSCAPE_RIGHT];

var bt = Ti.UI.createButton({
	backgroundImage:'default_app_logo.png',
	width:44,
	height:39,
	top:0,
	right:'6.25%'
});

bt.addEventListener('click', function(e) {
	tab1.open(win3);
});

function createnewview(_currOrientation) {
	var ds = [];

	if(_currOrientation === 'landscape') {
		var r1 = Ti.UI.createTableViewRow({
			height:50,
			backgroundColor:'green'
		});
		ds.push(r1);
	} else {
		var r = Ti.UI.createTableViewRow({
			height:50,
			backgroundColor:'yellow'
		});
		ds.push(r);
	}

	return ds;
}

function getOrientation(o) {
	switch (o) {
		case Titanium.UI.PORTRAIT:
			return 'portrait';
		case Titanium.UI.UPSIDE_PORTRAIT:
			return 'portrait';
		case Titanium.UI.LANDSCAPE_LEFT:
			return 'landscape';
		case Titanium.UI.LANDSCAPE_RIGHT:
			return 'landscape';
	}
};

var datasource = createnewview(getOrientation(Titanium.Gesture.orientation));
var tv = Ti.UI.createTableView({
	height : 100,
	data: datasource
});
win1.add( bt);

Ti.Gesture.addEventListener('orientationchange', function(e) {
	alert('changed')
/*setTimeout(function(){
	var _currOrientation = getOrientation(Titanium.Gesture.orientation);
	tv.data = createnewview(_currOrientation)
	if(_currOrientation === 'landscape') {
		tabGroup.animate({
			bottom:-60
		});
		win3.hideNavBar();

	} else {
		tabGroup.animate({
			bottom:0
		});
		win3.showNavBar();
	}
},300);*/
});


var tab1 = Titanium.UI.createTab({
	icon:'KS_nav_views.png',
	title:'Tab 1',
	window:win1
});

// create controls tab and root window
//
var win2 = Titanium.UI.createWindow({
	title:'Tab 2',
	backgroundColor:'blue',
	navBarHidden:false
});

var tab2 = Titanium.UI.createTab({
	icon:'KS_nav_ui.png',
	title:'Tab 2',
	window:win2
});


tabGroup.addTab(tab1);
tabGroup.addTab(tab2);

// open tab group
tabGroup.open();