BUG 2221 : Add metering to ShardTransaction actor

Change-Id: I4cbf74f9e8979b996a30a019657177b92fbdfc18
Signed-off-by: Abhishek Kumar <abhishk2@cisco.com>
Signed-off-by: Moiz Raja <moraja@cisco.com>
Merge "BUG 2221 : Add metering to ShardTransaction actor"