Dtype Analysis for Unary and Binary ops with Metatensors (#66898)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/66898
Test Plan: Imported from OSS
Reviewed By: malfet
Differential Revision: D32175961
Pulled By: Gamrix
fbshipit-source-id: 72721259b900e5a311b6bcb5c350366ba420b734
