[TIMOB-15844] Android: Media: Unable to switch to front camera

var win = Ti.UI.createWindow({
	backgroundColor:'white',
	layout:'vertical'
}); 
	// create button, register the modified click callback, add button to window
		function addButton(title, clickCallback)
		{
			var button = Ti.UI.createButton({title:title, width:'300', height:'50'});
			
			button.addEventListener('click', function() {
				Ti.Media.showCamera({mediaType:Ti.Media.MEDIA_TYPE_PHOTO});
				clickCallback();
				Ti.Media.vibrate();
				});
				
			win.add(button);
		}
		
		// camera with no switch
		addButton('Default Camera', function(){
			
		});
		
		// camera with front specified
		addButton('Front Camera Test 1', function(){
			Ti.Media.switchCamera(Ti.Media.CAMERA_FRONT);
		});
		
		// camera with front specified after switching to back
		// checks if switch function actually works, opposed to it being the default
		addButton('Front Camera Test 2', function(){
			Ti.Media.switchCamera(Ti.Media.CAMERA_REAR);
			Ti.Media.switchCamera(Ti.Media.CAMERA_FRONT);
		});
		
		// camera with back specified
		addButton('Back Camera Test 1', function(){
			Ti.Media.switchCamera(Ti.Media.CAMERA_REAR);
		});
		
		// camera with back specified after switching to front
		// checks if switch function actually works, opposed to it being the default
		addButton('Back Camera Test 2', function(){
			Ti.Media.switchCamera(Ti.Media.CAMERA_FRONT);
			Ti.Media.switchCamera(Ti.Media.CAMERA_REAR);
		});
		
		// camera passed invalid (non-existent) argument
		addButton('Invalid Camera', function(){
			Ti.Media.switchCamera(undefined);
		});
		
	
		win.open();