Android set up error

Before openning an issue
1. Reproduce it with the example project in this repo.
followed the steps to set up android config in readme file
2. If you can't receive iOS notification, make sure you can receive notification using quickstart-ios project provided by Firebase team
no problem with ios, was only using this lib for android

When openning an issue, please include following information for better support

1. What version of RN and react-native-fcm are you running? latest as of march 28 2019
2. What device are you using? (e.g iOS9 emulator, Android 6 device)? Android Galaxy s7
3. Is your app running in foreground, background or not running? does not build after set up

App was running before installation, after following set up instructions in readme.md
this error was displayed after build

Execution failed for task ':react-native-fcm:processReleaseResources'.