[ALOY-1071] Can't dynamically override backgroundColor of a view

<Alloy>
    <Window id="index">
        <View id="view" class="view"
            onTouchstart="change_view_background"
            onTouchend="reset_view_background"
            onTouchcancel="reset_view_background" />
    </Window>
</Alloy>

$.index.open();


function change_view_background(e) {
    console.log('change view background');
    $.addClass($.view, 'clicked');
}

function reset_view_background(e) {
    console.log('reset view background');
    $.removeClass($.view, 'clicked');
}

"#view": {
    backgroundColor: "blue",
}

".view": {
}

".clicked": {
    backgroundColor: "green",
}

"#view": {
}

".view": {
    backgroundColor: "blue",
}

".clicked": {
    backgroundColor: "green",
}