EDIT:
So according to this thread, this is a Google related change and not Nvidia?
In which case, similar to the banner issue from a previous update, you can get a different launcher (see comments for FLauncher) to avoid it
https://www.reddit.com/r/ShieldAndroidTV/comments/181vh4t/ads_at_full_screen/
It is! I use it as well.
Sorry, I don’t see how to set it as the default. How do you do it?
I use that same one. I think granting it accessibility privileges let it become default.
Apparently TCL disabled that option.