Restore "Add current rss and embedder name to Observatory"

runtime/vm/dart_api_impl.cc

Index: runtime/vm/dart_api_impl.cc
diff --git a/runtime/vm/dart_api_impl.cc b/runtime/vm/dart_api_impl.cc
index f440f32738e2a14a7368bd3db54a5a25b68839ca..4f37d4cf5432ca8f37f286508627d64550779f98 100644
--- a/runtime/vm/dart_api_impl.cc
+++ b/runtime/vm/dart_api_impl.cc
@@ -5931,6 +5931,11 @@ DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
   return;
 }
 
+DART_EXPORT void Dart_SetEmbedderInformationCallback(
+    Dart_EmbedderInformationCallback callback) {
+  return;
+}
+
 DART_EXPORT Dart_Handle Dart_SetServiceStreamCallbacks(
     Dart_ServiceStreamListenCallback listen_callback,
     Dart_ServiceStreamCancelCallback cancel_callback) {
@@ -5996,6 +6001,13 @@ DART_EXPORT void Dart_RegisterRootServiceRequestCallback(
   }
 }
 
+DART_EXPORT void Dart_SetEmbedderInformationCallback(
+    Dart_EmbedderInformationCallback callback) {
+  if (FLAG_support_service) {
+    Service::SetEmbedderInformationCallback(callback);
+  }
+}
+
 DART_EXPORT Dart_Handle Dart_SetServiceStreamCallbacks(
     Dart_ServiceStreamListenCallback listen_callback,
     Dart_ServiceStreamCancelCallback cancel_callback) {