update checkstyle rules for new year
update checkstyle rules for new year


Former-commit-id: 848bbf1ff26842b5ea40715f5df7f3e9f80021ee
drhee/toxoMine,drhee/toxoMine,drhee/toxoMine,drhee/toxoMine,drhee/toxoMine,drhee/toxoMine,drhee/toxoMine,drhee/toxoMine,drhee/toxoMine