Merge "init: only print backtraces on subsequent reboots with a value" am:...

        }

        LOG(INFO) << "Received sys.powerctl='" << value << "' from pid: " << cr.pid

                  << process_log_string;

        if (!value.empty()) {

            DebugRebootLogging();

        }

    }

    // If a process other than init is writing a non-empty value, it means that process is

    // requesting that init performs a restorecon operation on the path specified by 'value'.