Add API usage to torch.RPC (#67515)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67515
Adding API usage to torch.rpc to better understand usage of this API.
ghstack-source-id: 141877028
Reviewed By: rohan-varma
Differential Revision: D32011465
fbshipit-source-id: 34d006ece307ae4a90fbcc6cb44fc0b7edca611e