Add a Bazel build config for TensorPipe (#37691)
Summary:
See https://github.com/pytorch/pytorch/pull/37671 for the CI signals once the TensorPipe RPC agent is added.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37691
Reviewed By: malfet
Differential Revision: D21359470
Pulled By: lw
fbshipit-source-id: 577dd6d73a4a11d67b50d8686628dc6d8b24201d
