Merge "Sorts the vector of files by the mtimes" into rvc-dev

/*

 * Returns a vector of dump fds under |dir_path| with a given |file_prefix|.

 * The returned vector is sorted by the mtimes of the dumps. If |limit_by_mtime|

 * is set, the vector only contains files that were written in the last 30 minutes.

 * The returned vector is sorted by the mtimes of the dumps with descending

 * order. If |limit_by_mtime| is set, the vector only contains files that

 * were written in the last 30 minutes.

 */

static std::vector<DumpData> GetDumpFds(const std::string& dir_path,

                                        const std::string& file_prefix,

        dump_data.emplace_back(DumpData{abs_path, std::move(fd), st.st_mtime});

    }

    if (!dump_data.empty()) {

        std::sort(dump_data.begin(), dump_data.end(),

            [](const auto& a, const auto& b) { return a.mtime > b.mtime; });

    }

    return dump_data;

}