Rebase CircleCI to master if it is gcc5_4 (#26321)
Summary:
This is the first step of adding CI for bc breaking changes detection of function shcemas.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/26321
Reviewed By: hl475
Differential Revision: D17425468
Pulled By: houseroad
fbshipit-source-id: b4bb36e5597043407c943b5b8dfe2b1ac3248cb2
