fix: declare the FIAM java activity correctly on AndroidManifest.xml (#724)
fix: declare the FIAM java activity correctly on AndroidManifest.xml (#724)


samtstern/quickstart-android,firebase/quickstart-android,firebase/quickstart-android,samtstern/quickstart-android,firebase/quickstart-android,samtstern/quickstart-android,firebase/quickstart-android,firebase/quickstart-android,firebase/quickstart-android