Added time synchronization for rebalance.
Added time synchronization for rebalance.

mistsys/go_kafka_client,elodina/go_kafka_client,mistsys/go_kafka_client,iobeam/go_kafka_client,iobeam/go_kafka_client,lazyval/go_kafka_mirror,stealthly/go_kafka_client,lazyval/go_kafka_mirror,CrowdStrike/go_kafka_client,iobeam/go_kafka_client,CrowdStrike/go_kafka_client,lazyval/go_kafka_mirror,stealthly/go_kafka_client,mistsys/go_kafka_client,elodina/go_kafka_client