ConcurrentBag and EasyPoll test

```
Benchmark                                     Mode   Samples         Mean   Mean error    Units
o.s.ClaimRelease.CommonsPool2.cycle          thrpt        20        0.172        0.007   ops/us
o.s.ClaimRelease.CommonsPoolGeneric.cycle    thrpt        20        0.016        0.003   ops/us
o.s.ClaimRelease.CommonsPoolStack.cycle      thrpt        20        0.442        0.039   ops/us
o.s.ClaimRelease.ConcurrentBag1.cycle        thrpt        20        0.748        0.182   ops/us
o.s.ClaimRelease.EasyPoolTest.cycle          thrpt        20        7.271        0.793   ops/us
o.s.ClaimRelease.Furious.cycle               thrpt        20        3.181        0.046   ops/us
o.s.ClaimRelease.StormpotBlazePool.cycle     thrpt        20       16.563        2.414   ops/us
o.s.ClaimRelease.StormpotQueuePool.cycle     thrpt        20        0.101        0.070   ops/us
o.s.ClaimRelease.ViburObjectPool.cycle       thrpt        20        2.407        0.124   ops/us
```