[WIP] JIT Static Hooks: adding hooks to class type and adding logic for hook running/compilation (#49544)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49544
Implementation of design laid out in: https://fb.quip.com/MY9gAqlroo0Z
Test Plan: Imported from OSS
Reviewed By: heitorschueroff
Differential Revision: D25771122
Pulled By: Lilyjjo
fbshipit-source-id: dc4a8461f71c58ae75144ca1477cd1c0e9f0f325
