Added cuda bindings for NNC (#51046)
Summary:
See above.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51046
Reviewed By: ZolotukhinM
Differential Revision: D26053419
Pulled By: Chillee
fbshipit-source-id: 9cc2dc434239a1ad77d30a1e5c0a9592be4944dc
