For ALPN error, refer to [gRPC troubleshooting guide](https://github.com/grpc/grpc-java/blob/master/SECURITY.md#troubleshooting). Add additional documentation for Guava and Protobuf related errors, and examples to shade.
For ALPN error, refer to gRPC troubleshooting guide.
Add additional documentation for Guava and Protobuf related errors, and examples to shade.