Generar apk de 64 bits en build.gradle de Android Flutter

Generate 64 bits apk

afterEvaluate {
    mergeReleaseJniLibFolders.doLast {
        def archTypes = ["arm-release", "arm64-release"]
        archTypes.forEach { item ->
            copy {
                from zipTree("$flutterRoot/bin/cache/artifacts/engine/android-$item/flutter.jar")
                include 'lib/*/libflutter.so'
                into "$buildDir/intermediates/jniLibs/release/"
                eachFile {
                    it.path = it.path.replaceFirst("lib/", "")
                }
            }
        }
    }
}