Make torch.Size can be reconstructed by LOAD_CONST (#133342)
Summary:
X-link: https://github.com/pytorch/pytorch/pull/133342
Approved by: https://github.com/mlazos, https://github.com/jansel
Reviewed By: wdvr
Differential Revision: D61250327
Pulled By: yanboliang
fbshipit-source-id: d04b2d124bd4c9b679b799a91c65690df11b268b
