Merge the work on Generic Types Reification from 'dart-lang/reify' repo

pkg/kernel/lib/transformations/generic_types_reification.dart

Index: pkg/kernel/lib/transformations/generic_types_reification.dart
diff --git a/pkg/kernel/lib/transformations/generic_types_reification.dart b/pkg/kernel/lib/transformations/generic_types_reification.dart
new file mode 100644
index 0000000000000000000000000000000000000000..ea645170be317d00864960cd219cf58cb536e3d6
--- /dev/null
+++ b/pkg/kernel/lib/transformations/generic_types_reification.dart
@@ -0,0 +1,14 @@
+// Copyright (c) 2017, 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 kernel.transformation.generic_types_reification;
+
+import '../ast.dart' show Program;
+
+import '../transformations/reify/reify_transformer.dart' as reify
+    show transformProgram;
+
+Program transformProgram(Program program) {
+  return reify.transformProgram(program);
+}