Record a version of EPP metrics with TLD for domain commands

Also fixes the issue that dry run EPP commands were incorrectly being
reported on.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=171062984

java/google/registry/monitoring/metrics/Counter.java

@@ -68,6 +68,11 @@ public final class Counter extends AbstractMetric<Long>
    */
   private final Striped<Lock> valueLocks = Striped.lock(DEFAULT_CONCURRENCY_LEVEL);
 
+  /**
+   * Constructs a new Counter.
+   *
+   * <p>Note that the order of the labels is significant.
+   */
   Counter(
       String name,
       String description,