Summary:
Changelog:
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[Android] [Changed] - As mentioned in #22990, I have moved native components required by PickerAndroid.android.js into separate files and added Flow Typing.
Pull Request resolved: https://github.com/facebook/react-native/pull/22999
Differential Revision: D13697130
Pulled By: TheSavior
fbshipit-source-id: 42da73d82cca45fefa066871eed5a637811643c8