Summary:
The ScrollView component seems to have been written for a default touch up / touch down scrolling behavior. However, when using snapToInterval, this default behavior of adding PanResponders while the ScrollView is animating or has an active touch causes bugs with the PanResponder hijacking touches it is not supposed to hijack.
Pull Request resolved: https://github.com/facebook/react-native/pull/19110
Differential Revision: D14071342
Pulled By: hramos
fbshipit-source-id: ac285d9967dd6e2a347943b2455d4f986062ef62