Keep all type arguments in summaries - dynamic or not.

pkg/analyzer/test/src/summary/summarize_ast_test.dart

 // Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library analyzer.test.src.summary.summarize_ast_test;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/src/dart/scanner/reader.dart';
@@ skipping 12 matching lines @@
 import 'summary_common.dart';
 
 main() {
   groupSep = ' | ';
   runReflectiveTests(LinkedSummarizeAstSpecTest);
 }
 
 @reflectiveTest
 class LinkedSummarizeAstSpecTest extends LinkedSummarizeAstTest {
   @override
+  bool get elementMode => false;
+
+  @override
   bool get strongMode => false;
 
   @override
   @failingTest
   test_bottom_reference_shared() {
     super.test_bottom_reference_shared();
   }
 
   @override
   @failingTest
@@ skipping 343 matching lines @@
   CompilationUnit _parseText(String text) {
     CharSequenceReader reader = new CharSequenceReader(text);
     Scanner scanner =
         new Scanner(null, reader, AnalysisErrorListener.NULL_LISTENER);
     Token token = scanner.tokenize();
     Parser parser = new Parser(null, AnalysisErrorListener.NULL_LISTENER);
     parser.parseGenericMethods = true;
     return parser.parseCompilationUnit(token);
   }
 }