ENG-12260, fix the problem that voter asyncBenchmark doesn't set --ratelmit in its client setting,
ENG-12260, fix the problem that voter asyncBenchmark doesn't set --ratelmit in its client setting,

Change-Id: I2f717660c0b0011da95b62fecf1bd4611a2c6ac9

deerwalk/voltdb,VoltDB/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,VoltDB/voltdb,simonzhangsm/voltdb,simonzhangsm/voltdb,deerwalk/voltdb,VoltDB/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,deerwalk/voltdb,deerwalk/voltdb,VoltDB/voltdb,deerwalk/voltdb,simonzhangsm/voltdb,VoltDB/voltdb,VoltDB/voltdb,simonzhangsm/voltdb