Bypass filament2 for new pytorch random distribution method (#92190)
Summary: After D41587318 introduced new pytorch randomization, filament2 training failed due to chunk size is 0. We gated the new change to external only to fix filament2 package
Test Plan: f402461641 the flow has training successfully finished
Reviewed By: izaitsevfb
Differential Revision: D42501726
Pull Request resolved: https://github.com/pytorch/pytorch/pull/92190
Approved by: https://github.com/izaitsevfb
