make remote model instantiation async when possible (#58052)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/58052 for the cases where `module_interface_cls` is not provided
Pull Request resolved: https://github.com/pytorch/pytorch/pull/58052
Reviewed By: mruberry
Differential Revision: D28369064
Pulled By: mrzzd
fbshipit-source-id: 3ded7ea943a5ff0425bedc05448a59e6eefbeaaf
