If anyone is curious (like I was) what exactly is being shown here, the author initially wrote a post in 2016 describing VPAID ad interfaces[0].
It appears this whole thing got started when the Author (who founded AndroidPolice) got a bug request about an AP site ad[1].
[0]: https://plus.google.com/+ArtemRussakovskii/posts/VgrLdYcoifr
[1]: https://github.com/archon810/androidpolice-public/issues/67