Address errorprone error on QueryCounter

Author: adutra

test-infra/src/main/java/com/datastax/oss/driver/api/testinfra/simulacron/QueryCounter.java

@@ -112,6 +112,7 @@ public void assertNodeCounts(int... counts) {
 
   public static class QueryCounterBuilder {
 
+    @SuppressWarnings("UnnecessaryLambda")
     private static final Predicate<QueryLog> DEFAULT_FILTER = (q) -> !q.getQuery().isEmpty();
 
     private final BoundTopic<?, ?> topic;