@Override
    public void onResourceReady(Z resource, GlideAnimation<? super Z> glideAnimation) {
        if (glideAnimation == null || !glideAnimation.animate(resource, this)) {
            setResource(resource);
        }
    }
Sets the given {@link Drawable} on the view using
{@link ImageView#setImageDrawable(Drawable)}.

@param placeholder {@inheritDoc}
core/src/main/java/com/bumptech/glide/request/target/ImageViewTarget.java