const google.golang.org/grpc.grpcUA

3 uses

	google.golang.org/grpc (current package)
		clientconn.go#L212: 		cc.dopts.copts.UserAgent += " " + grpcUA
		clientconn.go#L214: 		cc.dopts.copts.UserAgent = grpcUA
		rpc_util.go#L916: const grpcUA = "grpc-go/" + Version