add dynamo disable reasons to codebase (#150440)
Summary:
X-link: https://github.com/pytorch/pytorch/pull/150440
Approved by: https://github.com/jansel, https://github.com/zou3519
ghstack dependencies: #150341
Reviewed By: clee2000
Differential Revision: D72319996
fbshipit-source-id: 8fb31c5c15b0190c5770d1d502bc10eabf314421
