fix(example, android): exclude flipper okhttp transitive dep
fix(example, android): exclude flipper okhttp transitive dep

This allows the example to work on Android 4.x

rebeccahughes/react-native-device-info,rebeccahughes/react-native-device-info,rebeccahughes/react-native-device-info,rebeccahughes/react-native-device-info,rebeccahughes/react-native-device-info,rebeccahughes/react-native-device-info