[AC-2728] Titanium.UI.ScrollableView.views is immutable on Android

/* initialize default window */
var win = Ti.UI.createWindow({backgroundColor: 'white'});
win.open();

/* initialize ScrollableView */
var sv = Ti.UI.createScrollableView({
	views: [Ti.UI.createView({backgroundColor: 'red'})]
});
win.add(sv);

/* actual test */
var views = sv.views;
try {
	views.splice(views.length - 1, 0, Ti.UI.createView({backgroundColor: 'green'}));
} catch (e) {
	Ti.API.error(String.format("Exeption: %s", e));
}
sv.views = views;

var views = [];
for(var i = 0; i < sv.views.length; i++) {
	views.push(sv.views[i]);
}
views.splice(views.length - 1, 0, Ti.UI.createView({backgroundColor: 'green'}));
sv.views = views;