Update to latest analyzer

test/multitest.dart

 // Copyright (c) 2012, 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.
 
 // TODO(jmesserly): this was factored out of
 // dart-lang/sdk/tools/testing/dart/multitest.dart
 library dev_compiler.test.tools.multitest;
 
 final validMultitestOutcomes = new Set<String>.from([
   'ok',
@@ skipping 134 matching lines @@
   String key;
   String rest;
   List<String> outcomesList;
   _Annotation() {}
   factory _Annotation.from(String line) {
     // Do an early return with "null" if this is not a valid multitest
     // annotation.
     if (!line.contains('///')) {
       return null;
     }
-    var parts = line.split('///')[1]
+    var parts = line
+        .split('///')[1]
         .split(':')
         .map((s) => s.trim())
         .where((s) => s.length > 0)
         .toList();
     if (parts.length <= 1) {
       return null;
     }
 
     var annotation = new _Annotation();
     annotation.key = parts[0];
     annotation.rest = parts[1];
     annotation.outcomesList =
         annotation.rest.split(',').map((s) => s.trim()).toList();
     return annotation;
   }
 }