Method debug

android/samples/fiber/http/src/main/cpp/http_task.cpp:19–22

http_task::~http_task(void) {}

void http_task::debug(void) const {
    log_info(">>task=%p: host=%s, port=%d, url=%s<<",
            this, server_host_.c_str(), server_port_, server_url_.c_str());
}

http_task* http_task::wait(void) {
    return box_.pop();