Summary:
Fix#23755 - Which is to remove the warning:
```
Module RCTImagePickerManager requires main queue setup since it overrides `init` but doesn't implement `requiresMainQueueSetup`. In a future release React Native will default to initializing all native modules on a background thread unless explicitly opted-out of.
```
General Fixed - Warning "RCTImagePickerManager requires main queue setup
Pull Request resolved: https://github.com/facebook/react-native/pull/24314
Differential Revision: D14788772
Pulled By: cpojer
fbshipit-source-id: e2017136008367d36468debb258afa698b5402bc