Summary:
Similar to what was done here https://github.com/facebook/react-native/pull/22376
This allows using things like async functions with text input event props.
Changelog:
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[General] [Fixed] - Make TextInput event prop types less strict
Pull Request resolved: https://github.com/facebook/react-native/pull/22673
Reviewed By: TheSavior
Differential Revision: D13492029
Pulled By: hramos
fbshipit-source-id: 84e1a776a7ac1ae7567fbf4105b2be9be330610e