Correct definition of nodes that work with Autograd (#30683)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30683
Assume that a node can work with autograd only if it is not a fusion
group and in prim or aten namespaces.
Test Plan: CI
Reviewed By: lly-zero-one
Differential Revision: D18795171
Pulled By: ilia-cher
fbshipit-source-id: 301090557e330b58be70e956784f7f0dc343c684
