Allowing forbidden API usage

These benchmarks exist to show why the APIs are forbidden

Author: dougqh

internal-api/src/jmh/java/datadog/trace/util/StringReplacementBenchmark.java

@@ -1,5 +1,6 @@
 package datadog.trace.util;
 
+import de.thetaphi.forbiddenapis.SuppressForbidden;
 import java.util.regex.Pattern;
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.Fork;
@@ -30,6 +31,7 @@
 @Warmup(iterations = 2)
 @Measurement(iterations = 3)
 @Threads(8)
+@SuppressForbidden
 public class StringReplacementBenchmark {
   static final String[] INPUTS = {
     "foo",

internal-api/src/jmh/java/datadog/trace/util/StringSplitBenchmark.java

@@ -1,5 +1,6 @@
 package datadog.trace.util;
 
+import de.thetaphi.forbiddenapis.SuppressForbidden;
 import java.util.regex.Pattern;
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.Fork;
@@ -41,6 +42,7 @@
 @Measurement(iterations = 3)
 @Threads(8)
 @State(Scope.Benchmark)
+@SuppressForbidden
 public class StringSplitBenchmark {
   public enum TestString {
     EMPTY(""),