Add Service ID zones to service protocol

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 fb119f8c5f13019029c6488c05491876aa0fb8eb..3d61e7b51a1493ef2d6dbeff15b1af9bc6822a40 100644
--- a/runtime/observatory/lib/src/service/object.dart
+++ b/runtime/observatory/lib/src/service/object.dart
@@ -590,11 +590,8 @@ class FakeVM extends VM {
     // Sort keys.
     var sortedKeys = uri.queryParameters.keys.toList();
     sortedKeys.sort();
-    // Filter keys.
-    if (method == 'getStack') {
-      // Remove the 'full' parameter.
-      sortedKeys.remove('full');
-    }
+    // Filter keys to remove any private options.
+    sortedKeys.removeWhere((k) => k.startsWith('_'));
     // Insert parameters in sorted order.
     for (var key in sortedKeys) {
       parameters[key] = uri.queryParameters[key];