[TIMOB-15807] Android: Label value does not change in response to slider

var _window = Titanium.UI.createWindow();
_window.backgroundColor = 'white';
		_window.layout = 'vertical';
		//_window.top='0';
		 
		slider1 = Ti.UI.createSlider({
		    top : 30,
		    value : 0,
		    min : 0,
		    max : 50000,
		    left : 0,
		    right : 0
		});
		 
		slider1.addEventListener('touchend', function(e) {
		    slider1Change(e);
		});
		 
		slider1.addEventListener('touchcancel', function(e) {
		    slider1Change(e);
		});
		 
		function updatePerMonthLabel(_val) {
		    row.label.text = _val;
		}
		 
		function slider1Change(e) {
		    updatePerMonthLabel(slider1.value);
		}
		 
		var row = Titanium.UI.createTableViewRow();
		 
		var horizontalView = Ti.UI.createView({
		    layout : 'horizontal',
		    left : '5%',
		    right : '5%',
		    height : Ti.UI.SIZE
		});
		 
		var amountLabel = Titanium.UI.createLabel({
		    left:0,
		    text:'$0',
		    top : 0,
		    width : Ti.UI.SIZE,
		    height : Ti.UI.SIZE
		});
		 
		var yrLabel = Titanium.UI.createLabel({
		    width : Ti.UI.SIZE,
		    height : Ti.UI.SIZE,
		    text : "Year",
		    left : 10
		});
		 
		horizontalView.add(amountLabel);
		row.label = amountLabel;
		horizontalView.add(yrLabel);
		 
		amountLabel = null;
		yrLabel = null;
		 
		row.add(horizontalView);
		 
		var mainContentTableView = Titanium.UI.createTableView({
		    data : [row],
		    height : Ti.UI.SIZE
		});
		 
		_window.add(slider1);
		_window.add(mainContentTableView);
		 _window.open();