nologo It's already available on the Pixel tablet, if you activate it in Developer Options. It will be available without having to use Developer Options if/when GOS incorporates QPR3.
EverettHitch nologo okay, this is quite new to me. I remember some posts here mentioning versions older than 8 miss necessary hardware support, but the following article confirms what you say. https://www.theverge.com/tech/888370/google-pixel-tablet-android-desktop-mode