While using SafeAreaView in iPhoneX, There is a extra space on top of keyboard

Environment

OS: macOS High Sierra 10.13.1
Node: 9.4.0
Yarn: 1.3.2
npm: 4.6.1
Watchman: 4.9.0
Xcode: Xcode 9.2 Build version 9C40b

Packages: (wanted => installed)
react: 16.0.0 => 16.0.0
react-native: 0.51.0 => 0.51.0

Expected Behavior

Extra space should not not be there on Top of keyboard.

Actual Behavior

Keyboard has extra space

Steps to Reproduce

(Link to Snack, or steps to reproduce.)