Is this a bug report?

yes

Have you read the Contributing Guidelines?

yes

Environment

Environment:
OS: macOS Sierra 10.12.6
Node: 8.4.0
Yarn: 1.0.0
npm: 5.3.0
Watchman: 4.9.0
Xcode: Xcode 9.0.1 Build version 9A1004
Android Studio: 2.3 AI-162.4069837

Packages: (wanted => installed)
react: 16.0.0 => 16.0.0
react-native: 0.50.3 => 0.50.3

Steps to Reproduce

demo1:

<StatusBar barStyle="dark-content" />

demo2:

<StatusBar barStyle="light-content" />

Expected Behavior

I want demo1 status bar text color to white, demo2 status bar text color is black, but it is invalid in android5.1, the status bar text color is always white.android6.0 is ok. I do not know what to do.

Actual Behavior

is android5.1.

I change barStyle and the color of the status bar is always white.

demo:

Reproducible Demo

Need android5.1, no demo