Change switch accessibility label color on iOS

[jochemjanssens]

🐛 Bug Report

It isn't possible to style the accessibility label inside a switch on iOS
We want to change the black I into a white I

To Reproduce

• Place a switch inside a react-native project
• Set on/off labels inside iOS settings General-Accessibility-on/off labels

Expected Behavior

Change the color of the accessibility label inside a switch on iOS

Code Example

<Switch
    value={item.enabled}
        trackColor={{
           true: "rgb(151, 233, 42)",
           false: "rgb(233, 236, 239)",
       }}
       onValueChange={() => this.onToggleSwitch()}
/>

Environment

React Native Environment Info:
System:
OS: macOS 10.14.2
CPU: (12) x64 Intel(R) Core(TM) i7-8850H CPU @ 2.60GHz
Memory: 177.51 MB / 16.00 GB
Shell: 3.2.57 - /bin/bash
Binaries:
Node: 8.12.0 - ~/.nvm/versions/node/v8.12.0/bin/node
Yarn: 1.13.0 - /usr/local/bin/yarn
npm: 6.7.0 - ~/.nvm/versions/node/v8.12.0/bin/npm
Watchman: 4.9.0 - /usr/local/bin/watchman
SDKs:
iOS SDK:
Platforms: iOS 12.1, macOS 10.14, tvOS 12.1, watchOS 5.1
Android SDK:
API Levels: 23, 26, 27, 28
Build Tools: 26.0.3, 27.0.3, 28.0.2, 28.0.3
System Images: android-24 | Google APIs Intel x86 Atom, android-26 | Google APIs Intel x86 Atom, android-26 | Google APIs Intel x86 Atom_64, android-28 | Google APIs Intel x86 Atom, android-28 | Google Play Intel x86 Atom
IDEs:
Android Studio: 3.3 AI-182.5107.16.33.5264788
Xcode: 10.1/10B61 - /usr/bin/xcodebuild
npmPackages:
react: 16.7.0 => 16.7.0
react-native: ^0.58.5 => 0.58.5
npmGlobalPackages:
react-native-cli: 2.0.1

[react-native-bot]

We are automatically closing this issue because it does not appear to follow any of the provided issue templates.

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