Merge "Use libprocessgroup to find cgroup v2 paths" into main

        }

        bool checkFreezeSupport() {

            std::ifstream freezer_file("/sys/fs/cgroup/uid_0/cgroup.freeze");

            std::string path;

            if (!CgroupGetAttributePathForTask("FreezerState", getpid(), &path)) {

                return false;

            }

            std::ifstream freezer_file(path);

            // Pass test on devices where the cgroup v2 freezer is not supported

            if (freezer_file.fail()) {

                return false;