Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/49276
This diff replaces the remaining `React$` global types in the codebase, in preparation for their removal in Flow.
Changelog: [Internal]
Reviewed By: NickGerleman
Differential Revision: D69322418
fbshipit-source-id: 058a2489ce8e6bf59df2ec4e61e9708f63561671