async copy activity handling

test/tool/tracer_tool.cpp

@@ -306,6 +306,7 @@ extern "C" PUBLIC_API bool OnLoad(HsaApiTable* table, uint64_t runtime_version,
     } else {
       ROCTRACER_CALL(roctracer_enable_domain_callback(ACTIVITY_DOMAIN_HSA_API, hsa_api_callback, NULL));
     }
+    ROCTRACER_CALL(roctracer_enable_domain_activity(ACTIVITY_DOMAIN_HSA_API));
     printf(")\n");
   }