Make ThinPoolWatcher loglevel consistent
Make ThinPoolWatcher loglevel consistent

BrickXu/cadvisor,erSitzt/cadvisor,BrickXu/cadvisor,linux-on-ibm-z/cadvisor,dchen1107/cadvisor,f0/cadvisor,derekwaynecarr/cadvisor,derekwaynecarr/cadvisor,ncdc/cadvisor,ncdc/cadvisor,f0/cadvisor,ncdc/cadvisor,erSitzt/cadvisor,f0/cadvisor,linux-on-ibm-z/cadvisor,f0/cadvisor,jhjeong-kr/cadvisor,derekwaynecarr/cadvisor,erSitzt/cadvisor,jhjeong-kr/cadvisor,BrickXu/cadvisor,erSitzt/cadvisor,dchen1107/cadvisor,ncdc/cadvisor,jhjeong-kr/cadvisor,dchen1107/cadvisor,erSitzt/cadvisor,f0/cadvisor,derekwaynecarr/cadvisor,BrickXu/cadvisor,dchen1107/cadvisor,jhjeong-kr/cadvisor,jhjeong-kr/cadvisor,BrickXu/cadvisor,linux-on-ibm-z/cadvisor,derekwaynecarr/cadvisor,dchen1107/cadvisor,ncdc/cadvisor