Merge "add ueventd to shutdown critial process" am: 7fe28d9d am: aa3c4e9d

    // keep debugging tools until non critical ones are all gone.

    const std::set<std::string> kill_after_apps{"tombstoned", "logd", "adbd"};

    // watchdogd is a vendor specific component but should be alive to complete shutdown safely.

    const std::set<std::string> to_starts{"watchdogd", "vold"};

    const std::set<std::string> to_starts{"watchdogd", "vold", "ueventd"};

    ServiceManager::GetInstance().ForEachService([&kill_after_apps, &to_starts](Service* s) {

        if (kill_after_apps.count(s->name())) {

            s->SetShutdownCritical();