Added method to IsolateVisitor to check for special isolates (i.e., service / vm isolates) since th…

runtime/vm/service.cc

Index: runtime/vm/service.cc
diff --git a/runtime/vm/service.cc b/runtime/vm/service.cc
index d651f53e6bb66856fec27823b58d2541694dff8f..3cbf8fc24a693d5eaa0a8d2dc16e6c80589293b5 100644
--- a/runtime/vm/service.cc
+++ b/runtime/vm/service.cc
@@ -3762,8 +3762,7 @@ class ServiceIsolateVisitor : public IsolateVisitor {
   virtual ~ServiceIsolateVisitor() {}
 
   void VisitIsolate(Isolate* isolate) {
-    if ((isolate != Dart::vm_isolate()) &&
-        !ServiceIsolate::IsServiceIsolateDescendant(isolate)) {
+    if (!IsVMInternalIsolate(isolate)) {
       jsarr_->AddValue(isolate);
     }
   }