iPhone X: Additional horizontal inset for list view content in horizontal layouts #12101
Description
Steps to Reproduce
On the iPhone X, List views in horizontal mode should include additional horizontal padding on either side to avoid drawing list content under the sensor housing notch.
See Apple's Human Interface Guidelines for iPhone X.
Dependent on issue #12098
Example from Flutter Gallery:
Flutter Doctor
[✓] Flutter (on Mac OS X 10.12.6 16G29, locale en-AU, channel master)
• Flutter at /Users/cbracken/src/flutter/flutter
• Framework revision dd7e313317 (51 minutes ago), 2017-09-14 12:28:21 -0700
• Engine revision 57a1445a45
• Tools Dart version 1.25.0-dev.11.0
[✓] Android toolchain - develop for Android devices (Android SDK 25.0.3)
• Android SDK at /Users/cbracken/Library/Android/sdk
• Platform android-25, build-tools 25.0.3
• Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
• Java version OpenJDK Runtime Environment (build 1.8.0_112-release-b06)
[✓] iOS toolchain - develop for iOS devices (Xcode 9.0)
• Xcode at /Applications/Xcode9.0.app/Contents/Developer
• Xcode 9.0, Build version 9A235
• ios-deploy 1.9.2
• CocoaPods version 1.3.1