It could work for sure, but I see two tricky parts. Strength wise, since the plastic is less rigid, you have to be careful the glass doesn't crack. The polycarb top of the table will deflect more easily than the same thickness of glass. I think really thin glass helps with this, think screen protector for a phone.

The cosmetically difficult part is gluing them together. It's tricky to get a perfect bond over the whole surface of the glass with no air bubbles, voids, or dirt.