update lazy assignment operators

pkg/front_end/lib/src/fasta/scanner/token_constants.dart

 // Copyright (c) 2015, 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 fasta.scanner.token_constants;
 
 import 'characters.dart';
 
 const int EOF_TOKEN = 0;
 
@@ skipping 46 matching lines @@
 const int EQ_EQ_TOKEN = EQ_EQ_EQ_TOKEN + 1;
 const int LT_LT_EQ_TOKEN = EQ_EQ_TOKEN + 1;
 const int LT_LT_TOKEN = LT_LT_EQ_TOKEN + 1;
 const int GT_EQ_TOKEN = LT_LT_TOKEN + 1;
 const int GT_GT_EQ_TOKEN = GT_EQ_TOKEN + 1;
 const int INDEX_EQ_TOKEN = GT_GT_EQ_TOKEN + 1;
 const int INDEX_TOKEN = INDEX_EQ_TOKEN + 1;
 const int BANG_EQ_EQ_TOKEN = INDEX_TOKEN + 1;
 const int BANG_EQ_TOKEN = BANG_EQ_EQ_TOKEN + 1;
 const int AMPERSAND_AMPERSAND_TOKEN = BANG_EQ_TOKEN + 1;
-const int AMPERSAND_EQ_TOKEN = AMPERSAND_AMPERSAND_TOKEN + 1;
+const int AMPERSAND_AMPERSAND_EQ_TOKEN = AMPERSAND_AMPERSAND_TOKEN + 1;
+const int AMPERSAND_EQ_TOKEN = AMPERSAND_AMPERSAND_EQ_TOKEN + 1;
 const int BAR_BAR_TOKEN = AMPERSAND_EQ_TOKEN + 1;
-const int BAR_EQ_TOKEN = BAR_BAR_TOKEN + 1;
+const int BAR_BAR_EQ_TOKEN = BAR_BAR_TOKEN + 1;
+const int BAR_EQ_TOKEN = BAR_BAR_EQ_TOKEN + 1;
 const int STAR_EQ_TOKEN = BAR_EQ_TOKEN + 1;
 const int PLUS_PLUS_TOKEN = STAR_EQ_TOKEN + 1;
 const int PLUS_EQ_TOKEN = PLUS_PLUS_TOKEN + 1;
 const int MINUS_MINUS_TOKEN = PLUS_EQ_TOKEN + 1;
 const int MINUS_EQ_TOKEN = MINUS_MINUS_TOKEN + 1;
 const int TILDE_SLASH_EQ_TOKEN = MINUS_EQ_TOKEN + 1;
 const int TILDE_SLASH_TOKEN = TILDE_SLASH_EQ_TOKEN + 1;
 const int PERCENT_EQ_TOKEN = TILDE_SLASH_TOKEN + 1;
 const int GT_GT_TOKEN = PERCENT_EQ_TOKEN + 1;
 const int CARET_EQ_TOKEN = GT_GT_TOKEN + 1;
 const int COMMENT_TOKEN = CARET_EQ_TOKEN + 1;
 const int STRING_INTERPOLATION_IDENTIFIER_TOKEN = COMMENT_TOKEN + 1;
 const int QUESTION_PERIOD_TOKEN = STRING_INTERPOLATION_IDENTIFIER_TOKEN + 1;
 const int QUESTION_QUESTION_TOKEN = QUESTION_PERIOD_TOKEN + 1;
 const int QUESTION_QUESTION_EQ_TOKEN = QUESTION_QUESTION_TOKEN + 1;
 const int GENERIC_METHOD_TYPE_ASSIGN_TOKEN = QUESTION_QUESTION_EQ_TOKEN + 1;
 const int GENERIC_METHOD_TYPE_LIST_TOKEN = GENERIC_METHOD_TYPE_ASSIGN_TOKEN + 1;