Make Code Origin for Spans default on

by default Code Origin will be started

Author: jpbempel

dd-trace-api/src/main/java/datadog/trace/api/ConfigDefaults.java

@@ -49,7 +49,7 @@ public final class ConfigDefaults {
   static final boolean DEFAULT_WRITER_BAGGAGE_INJECT = true;
   static final String DEFAULT_SITE = "datadoghq.com";
 
-  static final boolean DEFAULT_CODE_ORIGIN_FOR_SPANS_ENABLED = false;
+  static final boolean DEFAULT_CODE_ORIGIN_FOR_SPANS_ENABLED = true;
   static final int DEFAULT_CODE_ORIGIN_MAX_USER_FRAMES = 8;
   static final boolean DEFAULT_TRACE_SPAN_ORIGIN_ENRICHED = false;
   static final boolean DEFAULT_TRACE_ENABLED = true;