[AC-5642] BlurView not working on Titanium SDK 7.0.2 and 7.1.0 RC

// Reference image (or view)
var img = Ti.UI.createImageView({
    image: "images/cielo.jpg",
    top: 0,
    left : 0,
    width: 200,
    height: 200
});

// Blur view
var blur = Ti.UI.iOS.createBlurView({
    width: Ti.UI.FILL,
    height: Ti.UI.FILL,
    effect : Ti.UI.iOS.BLUR_EFFECT_STYLE_EXTRA_LIGHT
});

img.add(blur);

$.loginWindow.add(img);