Add aggregation query benchmark
ENG-6881: Fix connection limit logic in ClientInterface
Add the agg benchmark client code
ENG-6881: Or, don't overcomplicate things?
Merge pull request #1655 from VoltDB/ENG-6881

ENG-6881: Fix connection limit logic in ClientInterface
ENG-6471 prep for ci
Merge pull request #1673 from VoltDB/ENG-6471-agg-bench

Eng 6471 agg bench