react-native-firebase

fix(android): generate version for ReactNativeFirebaseAppRegistrar.java (#3766)

* build(android): script for version

* chore(android): rm ReactNativeFirebaseAppRegistrar

* build(android): create new version class

* chore(android): update script file name

* chore(app, android): formatting

Co-authored-by: Mike Diarmid <mike.diarmid@gmail.com>
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