File _service of Package protobuf

<services>
  <service name="download_url">
    <param name="host">github.com</param>
    <param name="protocol">https</param>
    <param name="path">/protocolbuffers/protobuf/releases/download/v3.14.0/protobuf-all-3.14.0.tar.gz</param>
  </service>
  <service name="download_url">
    <param name="host">github.com</param>
    <param name="protocol">https</param>
    <param name="path">/google/googletest/archive/5ec7f0c4a113e2f18ac2c6cc7df51ad6afc24081.zip</param>
  </service>
</services>