Add double tensor type to DivFakeFp16 Op (#54636)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/54636
Test Plan: The model will be rerun after the diff lands...
Reviewed By: hx89
Differential Revision: D27310244
fbshipit-source-id: 88575237596a59996da14a49a8459f8b3d0ee66a
