Hipify contrib/nccl (#29385)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/29385
hipify contrib/gloo
Test Plan: OSS & sandcastle build
Reviewed By: bddppq
Differential Revision: D18373308
fbshipit-source-id: 39c232db36318af116c341f64d03642639575ecd
