Break circular dependency between ATen.h and TensorIndexing.h (#35765)
Summary:
This is mostly just so VS Code will stop yelling at me.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/35765
Differential Revision: D20787435
Pulled By: robieta
fbshipit-source-id: c8173399328e6da60a07bfcb4b62e91f7f4fe34a
