Support Math keyword in native_functions.yaml. (#44556)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/44556
Test Plan: Imported from OSS
Reviewed By: bhosmer
Differential Revision: D23698386
Pulled By: ailzhang
fbshipit-source-id: f10ea839a2cfe7d16f5823a75b8b8c5f1ae22dde
