Summary:
Related to #22100
Enhance ViewPropTypes flow types.
- I had some troubles with a TODO left for `onResponderGrant` hence the return type.
- I wasn't able to properly type `nativeBackgroundAndroid` and `nativeForegroundAndroid` at the moment.
Pull Request resolved: https://github.com/facebook/react-native/pull/22504
Reviewed By: cpojer
Differential Revision: D13334024
Pulled By: TheSavior
fbshipit-source-id: cada236e0d716ae78cb663172e5315cf11c6406a
9facd81894