[Composable FSDP] Enable HSDP (#105206)
Need to pass in strategy to _init_process_group_state to enable hsdp
for composable.
Differential Revision: [D47462394](https://our.internmc.facebook.com/intern/diff/D47462394/)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/105206
Approved by: https://github.com/awgu, https://github.com/fegin
