[TIMOB-24827] Windows: TableView headerView does not size correctly when tableview has a smaller width

var _window = Ti.UI.createWindow();
var headerView = Ti.UI.createView({
    height: 90,
    width: 300,
    borderColor: 'green',
    borderWidth: 5,
    backgroundColor: 'red'
});
var tableView = Ti.UI.createTableView({
    width: 250,
    data: [{title:'foo'}],
    headerView: headerView
});
_window.add(tableView);

_window.open();