[distributed] add base processgroup::options (#53662)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/53662
Add a base processgroup::options so that we can do inheritance and
provide
a universal option API in python
Test Plan: Imported from OSS
Reviewed By: rohan-varma
Differential Revision: D26968856
Pulled By: wanchaol
fbshipit-source-id: 858f4b61b27aecb1943959bba68f8c14114f67d8
