Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35226
Changelog: [Internal]
This adds scaffolding for the C++ side of NativePerformanceObserver module.
Thanks to christophpurrer for helping set this up, as this is the first one of this kind inside core/OSS.
Reviewed By: rubennorte
Differential Revision: D41028555
fbshipit-source-id: 4acf0e71a254a42044cbbe5f94f40938342c6aa2