Set Content-Length header in NodeHTTPTransport to disable chunked encoding (#427)
Set Content-Length header in NodeHTTPTransport to disable chunked encoding (#427)

* Set Content-Length header in NodeHTTPTransport to disable chunked encoding

* Only disable chunked http encoding if we are not using streams

improbable-eng/grpc-web,improbable-eng/grpc-web,improbable-eng/grpc-web,improbable-eng/grpc-web,improbable-eng/grpc-web