Normalize TODO format in xm_local/experiment.py
Normalize TODO format in xm_local/experiment.py

PiperOrigin-RevId: 397309492
Change-Id: Ie2cc11aa18f1f9b15fbc0c24c40b2ab4047edcda
GitOrigin-RevId: 6dc1720d04809c29e9bb193e6ca4f5480c53c407

deepmind/xmanager,deepmind/xmanager