copy vizier_worker.py to the correct dir
copy vizier_worker.py to the correct dir

PiperOrigin-RevId: 379998894
Change-Id: I1bbc9c609ed128e87f6754e517d417e59f5615b7
GitOrigin-RevId: 322440dee496e0b0e545c132b05b4b19fd16af0e

deepmind/xmanager,deepmind/xmanager