clientv3: rename to isRepeatableStopError, isNonRepeatableStopError
clientv3: rename to isRepeatableStopError, isNonRepeatableStopError

Signed-off-by: Gyu-Ho Lee <3454051ee3341eb69bdf6fca40899cdad4d86496@gmail.com>

lorneli/etcd,cockroachdb/etcd,cockroachdb/etcd,rnaveiras/etcd,gyuho/etcd,xiang90/etcd,ajityagaty/etcd,bluebreezecf/etcd,fanminshi/etcd,etcd-io/etcd,vimalk78/etcd,xiang90/etcd,mkumatag/etcd,heyitsanthony/etcd,rnaveiras/etcd,mkumatag/etcd,li-ang/etcd,joshix/etcd,dannysauer/etcd,akauppi/etcd,heyitsanthony/etcd,bdarnell/etcd,dannysauer/etcd,joshix/etcd,li-ang/etcd,sinsharat/etcd,lorneli/etcd,sebrandon1/etcd,rnaveiras/etcd,mqliang/etcd,mqliang/etcd,whuwxl/etcd,mqliang/etcd,gyuho/etcd,ajityagaty/etcd,bluebreezecf/etcd,mkumatag/etcd,whuwxl/etcd,ajityagaty/etcd,glevand/coreos--etcd,sinsharat/etcd,bdarnell/etcd,etcd-io/etcd,coreos/etcd,coreos/etcd,vimalk78/etcd,fanminshi/etcd,akauppi/etcd,glevand/coreos--etcd,sebrandon1/etcd,etcd-io/etcd