Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/36438
This makes the `react-native` repository compatible with the next sync from react after the changes in https://github.com/facebook/react/pull/26321 land.
That PR is changing the format of the Fabric instance and we have a few instances where we assume the internal structure of that instance in the repository.
Changelog: [internal]
Reviewed By: yungsters
Differential Revision: D43980374
fbshipit-source-id: 718b504ff7c5bb6088c553e0256489b04d92b653