[TIMOB-18299] iOS: animation does not work as expected when the visibility is set to false

     var _window = Ti.UI.createWindow({
        backgroundColor: '#fff'
    });
 
 var view1 = Ti.UI.createView({
        backgroundColor: 'green',
        top: 10,
        opacity: '1',
        width: 100,
        height: 100
    });
    var label1 = Ti.UI.createLabel({
        top: 60,
        text: 'Background text'
    });
    var view2 = Ti.UI.createView({
        backgroundColor: 'green',
        top: 120,
        width: 100,
        height: 100,
        visible: true
    });
    var label2 = Ti.UI.createLabel({
        top: 170,
        text: 'Background text'
    });


    view1.addEventListener('click', function() {
        view1.animate({
            autoreverse: true,
            duration: 2000,
            repeat: 2,
            backgroundColor: 'blue',
            opacity: '0.1',
        });
    });
    view2.addEventListener('click', function() {
        view2.animate({
            autoreverse: true,
            duration: 3000,
            repeat: 2,
            backgroundColor: 'red',
            visible: false
        });
    });

    _window.add(label1);
    _window.add(view1);
    _window.add(label2);
    _window.add(view2);
   _window.open();