Skip local variables when dumping inferred types.

pkg/analyzer/tool/summary/dump_inferred_types.dart

Index: pkg/analyzer/tool/summary/dump_inferred_types.dart
diff --git a/pkg/analyzer/tool/summary/dump_inferred_types.dart b/pkg/analyzer/tool/summary/dump_inferred_types.dart
index 5167b104a36f1b6546fe46ed846108365a0e9d88..4c086e0c89813dfd83d1a87085e9429564ec2f76 100644
--- a/pkg/analyzer/tool/summary/dump_inferred_types.dart
+++ b/pkg/analyzer/tool/summary/dump_inferred_types.dart
@@ -67,6 +67,7 @@ class InferredTypeCollector {
       // variables and local functions, since AST-based type inference doesn't
       // infer locals correctly yet.  TODO(paulberry): fix if necessary.
       properties.remove('localFunctions');
+      properties.remove('localVariables');
     } else if (obj is UnlinkedParam) {
       collectInferredType(obj.inferredTypeSlot, path);
       // As a temporary measure, prevent recursion into the parameter's