add more logging fields that can be set in construction time (#51260)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/51260
add more logging fields to DDPLoggingData, including param stats, bucket stats, environment variables, nccl version, data type
ghstack-source-id: 121260224
Test Plan: unit tests
Reviewed By: rohan-varma
Differential Revision: D26118245
fbshipit-source-id: ba48b7a11340bda1f5f3b24c8603545d346361e9
