const google.golang.org/grpc.grpcUA

3 uses

	google.golang.org/grpc (current package)
		dialoptions.go#L553: 		o.copts.UserAgent = s + " " + grpcUA
		dialoptions.go#L710: 			UserAgent:       grpcUA,
		rpc_util.go#L1086: const grpcUA = "grpc-go/" + Version