Allow for FakeVMRpcExceptions when listening for streams

runtime/observatory/lib/src/service/object.dart

Index: runtime/observatory/lib/src/service/object.dart
diff --git a/runtime/observatory/lib/src/service/object.dart b/runtime/observatory/lib/src/service/object.dart
index 9b5f7a2bd3b303fda0ab55a9cbe06b5e35bad54e..b1d3f15c64db3e886ba4b73f3c574d73b9311695 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -829,10 +829,14 @@ abstract class VM extends ServiceObjectOwner {
     if (!loaded) {
       // The vm service relies on these events to keep the VM and
       // Isolate types up to date.
-      await listenEventStream(kVMStream, _dispatchEventToIsolate);
-      await listenEventStream(kIsolateStream, _dispatchEventToIsolate);
-      await listenEventStream(kDebugStream, _dispatchEventToIsolate);
-      await listenEventStream(_kGraphStream, _dispatchEventToIsolate);
+      try {
+        await listenEventStream(kVMStream, _dispatchEventToIsolate);
+        await listenEventStream(kIsolateStream, _dispatchEventToIsolate);
+        await listenEventStream(kDebugStream, _dispatchEventToIsolate);
+        await listenEventStream(_kGraphStream, _dispatchEventToIsolate);
+      } on FakeVMRpcException catch (e) {
+        // ignore FakeVMRpcExceptions here.  
+      }
     }
     return await invokeRpcNoUpgrade('getVM', {});
   }