static RpcServerResponse asRpcServerResponse(ServiceRequestContext ctx, RequestLog log,
                                                 RpcServerRequest braveReq) {
        return new ArmeriaRpcServerResponse(ctx, log, braveReq);
    }
Wraps {@link ServiceRequestContext} in an {@link brave.rpc.RpcServerRequest}, for use in
{@link RpcServerHandler}.
brave/brave6/src/main/java/com/linecorp/armeria/server/brave/RpcServiceRequestContextAdapter.java