hide subprocess span due to jna command execution

Author: amarziali

dd-trace-core/src/main/java/datadog/trace/core/CoreTracer.java

@@ -906,7 +906,10 @@ private CoreTracer(
                 final ServiceDiscovery serviceDiscovery =
                     serviceDiscoveryFactory.createServiceDiscovery();
                 if (serviceDiscovery != null) {
-                  serviceDiscovery.writeTracerMetadata(config);
+                  // JNA can do ldconfig and other commands. Those are hidden since internal.
+                  try (final TraceScope blackhole = muteTracing()) {
+                    serviceDiscovery.writeTracerMetadata(config);
+                  }
                 }
               },
               1,