Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/31948
Changelog: [Internal]
Adds necessary shims to bring our BUCK files closer to parsing/building correctly in open source. This is part of fixing the Buck-based tests on CircleCI which were broken by d4ee734f32.
Reviewed By: sammy-SC
Differential Revision: D30072866
fbshipit-source-id: 4aebd9f67dd0a102516603915d9a021032611279