test: add more settings to test-benchmark-dgram

Add settings to test-benchmark-dgram such that it only runs benchmark
per benchmark file.

PR-URL: #17462
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

test/parallel/test-benchmark-dgram.js

@@ -4,4 +4,10 @@ require('../common');
 
 const runBenchmark = require('../common/benchmark');
 
-runBenchmark('dgram', ['dur=0.1', 'chunks=2']);
+runBenchmark('dgram', ['address=true',
+                       'chunks=2',
+                       'dur=0.1',
+                       'len=1',
+                       'n=1',
+                       'num=1',
+                       'type=send']);