fix bot: remove analyzer error

pkg/kernel/lib/target/flutter_fasta.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 kernel.target.vm_fasta;
+library kernel.target.flutter_fasta;
 
 import '../ast.dart' show Program, Library;
 import '../core_types.dart' show CoreTypes;
 import '../class_hierarchy.dart' show ClassHierarchy;
 
 import '../transformations/mixin_full_resolution.dart' as transformMixins
     show transformLibraries;
 import '../transformations/continuation.dart' as transformAsync
     show transformLibraries;
 import '../transformations/erasure.dart' as tranformErasure
@@ skipping 20 matching lines @@
     }
 
     // TODO(kmillikin): Make this run on a per-method basis.
     transformAsync.transformLibraries(coreTypes, libraries);
     logger?.call("Transformed async methods");
   }
 
   void performGlobalTransformations(CoreTypes coreTypes, Program program,
       {void logger(String msg)}) {}
 }