const google.golang.org/grpc.grpcUA

3 uses

	google.golang.org/grpc (current package)
		dialoptions.go#L567: 		o.copts.UserAgent = s + " " + grpcUA
		dialoptions.go#L725: 			UserAgent:         grpcUA,
		rpc_util.go#L1207: const grpcUA = "grpc-go/" + Version