void updateLatency(long requestLatency) {
      numberOfOperations.incrementAndGet();
      requestLatencies.add(requestLatency);
      if (maxLatencyInMs.get() < requestLatency) {
        maxLatencyInMs.set(requestLatency);
      }
      if (minLatencyInMs.get() > requestLatency) {
        minLatencyInMs.set(requestLatency);
      }
      totalLatencyInMs.addAndGet(requestLatency);
    }
Updates the latency for the request
@param requestLatency latency taken by the request
ambry-tools/src/main/java/com/github/ambry/tools/admin/ConcurrencyTestTool.java