Adjust path to distributed cpp tests (#60705)
Summary:
After https://github.com/pytorch/pytorch/issues/60543 they are installed in the same folder as the rest of the tests
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60705
Reviewed By: driazati
Differential Revision: D29380670
Pulled By: malfet
fbshipit-source-id: a432d26c731e9220e00d8c800b1429b37d51655b
