Summary:
Adding a handwritten view config for AndroidHorizontalScrollView, the native component that's used with `<ScrollView horizontal={true} />` on Android. Native props are the same as `RCTScrollView`, so I'm reusing the type for that.
Changelog: [Internal]
Reviewed By: rickhanlonii
Differential Revision: D18284517
fbshipit-source-id: 7c81f72440b93d611f9574ad2c01a96530d07bf7
Emily Janzer