Add kinds for serialization.

pkg/compiler/lib/src/resolution/access_semantics.dart

Index: pkg/compiler/lib/src/resolution/access_semantics.dart
diff --git a/pkg/compiler/lib/src/resolution/access_semantics.dart b/pkg/compiler/lib/src/resolution/access_semantics.dart
index 87a0bc4f504c2be1744582c65c351a5b3ca6169a..fdd8410ea70f9afe9cc28b6d4fd9b3a671e27219 100644
--- a/pkg/compiler/lib/src/resolution/access_semantics.dart
+++ b/pkg/compiler/lib/src/resolution/access_semantics.dart
@@ -291,7 +291,7 @@ class ConstantAccess extends AccessSemantics {
 class StaticAccess extends AccessSemantics {
   final Element element;
 
-  StaticAccess._(AccessKind kind, this.element) : super._(kind);
+  StaticAccess.internal(AccessKind kind, this.element) : super._(kind);
 
   StaticAccess.superSetter(MethodElement this.element)
       : super._(AccessKind.SUPER_SETTER);