Summary:
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On a relatively stock / default setup of RN on iOS you'll see the warning "Class RCTCxxModule was not exported. Did you forget to use RCT_EXPORT_MODULE()?" pop up on every launch. This change resolves that issue.
Fixes#14806 .
This supersedes PR #19794 .
Try a fresh project by following the RN iOS tutorial, and observe that there are no more warnings after making this change.
[IOS] [MINOR] [CxxBridge] - Fix "Class RCTCxxModule was not exported"
Closes https://github.com/facebook/react-native/pull/19880
Differential Revision: D8653809
Pulled By: hramos
fbshipit-source-id: c48529c2d74ddd40a90bc0e06e405078e25b72e3