snapToInterval not implemented on android for vertical scroll view

[nuKs]

Environment

OS: macOS High Sierra 10.13.4
Node: 9.11.1
Yarn: 1.0.2
npm: 5.6.0
Watchman: 4.9.0
Xcode: Xcode 9.2 Build version 9C40b
Android Studio: 3.1 AI-173.4720617

Packages: (wanted => installed)
react: react@16.0.0-alpha.12 => 16.3.2
react-native: 0.55.0 => 0.55.0

Description

snapToInterval is not implemented on android for vertical scroll view.

react-native/Libraries/Components/ScrollView/ScrollView.js

Line 511 in 8dc3ba0

* Supported for horizontal scrollview on android.

The official doc states the feature is actually implemented.

https://facebook.github.io/react-native/docs/scrollview.html#snaptointerval

[thecryptovalley]

How to merge the above commit to RN 0.56?