[JIT] Make RPC RRef Owner WorkerInfo.name available to TorchScript (#34896)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34896
Make TorchScript support calling ref.owner() to get owner worker id and calling ref.owner_name() to get owner worker name.
Differential Revision: D7652208
fbshipit-source-id: a60125bb316ac2cf19a993cbd2affc933c0af7c9
