Make dart:_vmservice a proper builtin library

runtime/vm/bootstrap_natives.cc

Index: runtime/vm/bootstrap_natives.cc
diff --git a/runtime/vm/bootstrap_natives.cc b/runtime/vm/bootstrap_natives.cc
index 07c492804792a93bb1513837506a617a723ee6fc..09cb75607951e2f9f91dee7dcf66531374b12f39 100644
--- a/runtime/vm/bootstrap_natives.cc
+++ b/runtime/vm/bootstrap_natives.cc
@@ -10,6 +10,7 @@
 #include "vm/dart_api_impl.h"
 #include "vm/object.h"
 #include "vm/object_store.h"
+#include "vm/service_isolate.h"
 
 namespace dart {
 
@@ -129,6 +130,12 @@ void Bootstrap::SetupNativeResolver() {
   ASSERT(!library.IsNull());
   library.set_native_entry_resolver(resolver);
   library.set_native_entry_symbol_resolver(symbol_resolver);
+
+  library = Library::VMServiceLibrary();
+  ASSERT(!library.IsNull());
+  library.set_native_entry_resolver(
+      reinterpret_cast<Dart_NativeEntryResolver>(
+          &ServiceIsolate::NativeResolver));
 }