Summary:
Otherwise you may get the error `"Package <package_name> signatures do not match the previously installed version; ignoring!`
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_What existing problem does the pull request solve?_
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Closes https://github.com/facebook/react-native/pull/14577
Differential Revision: D5272060
Pulled By: AaaChiuuu
fbshipit-source-id: 23d88b8dddc4a7d8c6f58361a1cbcd8e6bb750d3
Kenji Miwa
08b8216e4f