Add GlowLoadAOTModel flag (#45189)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45189
Pull Request resolved: https://github.com/pytorch/glow/pull/4902
Test Plan: Test locally
Reviewed By: yinghai
Differential Revision: D23810445
fbshipit-source-id: 56e717d80abbfe76b15d0f4249e1e399a9722753
