[nnc] Add simplifierUnderContext for simplification that needs context info: currently added for-stmt index var bounds info as context (#60687)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/60687
Test Plan: Imported from OSS
Reviewed By: navahgar
Differential Revision: D29373315
Pulled By: huiguoo
fbshipit-source-id: 8729af60dd6d9735187b2118e3e83c75ef21789d
