Clean up package imports and library names

pkg/analyzer/lib/src/generated/incremental_resolution_validator.dart

 // Copyright (c) 2014, 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 engine.incremental_resolution_validator;
+library analyzer.src.generated.incremental_resolution_validator;
 
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 
 /**
  * Validates that the [actual] and the [expected] units have the same structure
  * and resolution. Throws [IncrementalResolutionMismatch] otherwise.
  */
 void assertSameResolution(CompilationUnit actual, CompilationUnit expected,
     {bool validateTypes: false}) {
@@ skipping 928 matching lines @@
    *     package:project/my_lib.dart      -> my_lib.dart
    */
   static String _getShortElementLocationUri(String uri) {
     int index = uri.lastIndexOf('/');
     if (index == -1) {
       return uri;
     }
     return uri.substring(index + 1);
   }
 }