[TIMOB-25631] Android :Unable to position TabGroup at the bottom of the screen with tabsAtBottom

/**
 * Create a new Ti.UI.TabGroup.
 */
var tabGroup = Ti.UI.createTabGroup({
  tabsBackgroundColor : "#fff",
  tabsAtBottom : true,
 // tabsAtBottom : false
});

/**
 * Add the two created tabs to the tabGroup object.
 */
tabGroup.addTab(createTab("Home", "Home Page", "assets/images/home-button.png"));
tabGroup.addTab(createTab("Saved", "Saved Items Page", "assets/images/star.png"));
tabGroup.addTab(createTab("Contact", "Contact US Page", "assets/images/phone-contact.png"));
tabGroup.addTab(createTab("More", "Settings & More", "assets/images/ellipsis.png"));
/**
 * Open the tabGroup
 */
tabGroup.open();

/**
 * Creates a new Tab and configures it.
 *
 * @param  {String} title The title used in the Ti.UI.Tab and it's included Ti.UI.Window
 * @param  {String} message The title displayed in the Ti.UI.Label
 * @return {String} icon The icon used in the Ti.UI.Tab
 */
function createTab(title, message, icon) {
    var win = Ti.UI.createWindow({
        title: title,
        backgroundColor: '#333',
        navBarHidden : true
    });

    var label = Ti.UI.createLabel({
        text: message,
        color: "#fff",
        font: {
            fontSize: 20
        }
    });

    win.add(label);

    var tab = Ti.UI.createTab({
        title: title,
        icon: icon,
        window: win,
        backgroundColor : "#00AFDB",
        backgroundFocusedColor : "#333"
    });

    return tab;
}

Appcelerator Command-Line Interface, version 7.0.1
Copyright (c) 2014-2017, Appcelerator, Inc. All Rights Reserved.
Operating System Mac OS X Version 10.13.1 
Node.js 8.9.1
npm 5.5.1
Android Device: Galaxy J7(7.0)
Appcelerator CLI
Installer = 4.2.11
Core Package = 7.0.1
Titanium CLI
CLI Version = 5.0.14
node-appc Version = 0.2.41
Titanium SDK 7.0.1.GA