HIVE-6218: Stats for row-count not getting updated with Tez insert + dbclass=counter (Patch by Gunther Hagleitner, reviewed by Vikram Dixit K)

git-svn-id: https://svn.apache.org/repos/asf/hive/trunk@1567528 13f79535-47bb-0310-9956-ffa450edef68