AMBARI-25370 Producer and Customer Request /s graphs are failing on Kafa Grafana dashboards (#3080)

From kafka 2.0.0 there has been addition of version tag in kafka.network.RequestMetrics.RequestsPerSec.request.* metrics.
This is breaking the the default Grafana dashboard provided by Ambari. On the Kafka - Home and Kafka - Hosts dashboards
the Producer requests /s and Consumer requests /s graphs are failing to show any data.

Change-Id: I08656a6f43923b08b3bbc1f1e0346bd93211bbe8
5 files changed