You can find the slides in the slides folder on in speakerdeck here:
https://speakerdeck.com/hugomatilla/cyberpunk-theming-2077-android-design-system-and-theming
Here you can find the link to the video:
https://www.youtube.com/watch?v=5R2I352S54U&t=1s&ab_channel=AndroidDeveloperGroup
There is a start branch with the initial state of the project.