Add timer for mzbench stop command on cleaning stage
Add timer for mzbench stop command on cleaning stage

timofey-barmin/mzbench,machinezone/mzbench,timofey-barmin/mzbench,machinezone/mzbench,machinezone/mzbench,machinezone/mzbench,timofey-barmin/mzbench,timofey-barmin/mzbench,timofey-barmin/mzbench,machinezone/mzbench