[HUDI-2974] Make the prefix for metrics name configurable (#4274)

Co-authored-by: Rajesh Mahindra <rmahindra@Rajeshs-MacBook-Pro.local>

hudi-utilities/src/main/java/org/apache/hudi/utilities/deltastreamer/HoodieDeltaStreamerMetrics.java

@@ -74,7 +74,7 @@ public class HoodieDeltaStreamerMetrics implements Serializable {
   }
 
   String getMetricsName(String action, String metric) {
-    return config == null ? null : String.format("%s.%s.%s", tableName, action, metric);
+    return config == null ? null : String.format("%s.%s.%s", config.getMetricReporterMetricsNamePrefix(), action, metric);
   }
 
   public void updateDeltaStreamerMetrics(long durationInNs) {