Name inference for unbind (#25585)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/25585
Test Plan:
- new tests [namedtensor ci]
Pull Request resolved: https://github.com/pytorch/pytorch/pull/25585
Differential Revision: D17185070
Pulled By: zou3519
fbshipit-source-id: 85512b194f5b7c62a00aa81d048b5351e098bdb0
