Clean up package imports and library names

pkg/analyzer/test/generated/test_all.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 test.generated;
+library analyzer.test.generated.test_all;
 
 import 'package:unittest/unittest.dart';
 
 import '../utils.dart';
 import 'all_the_rest_test.dart' as all_the_rest;
 import 'ast_test.dart' as ast_test;
 import 'compile_time_error_code_test.dart' as compile_time_error_code_test;
 import 'declaration_resolver_test.dart' as declaration_resolver_test;
 import 'element_test.dart' as element_test;
 import 'engine_test.dart' as engine_test;
@@ skipping 29 matching lines @@
     parser_test.main();
     resolver_test.main();
     scanner_test.main();
     source_factory_test.main();
     static_type_warning_code_test.main();
     static_warning_code_test.main();
     type_system_test.main();
     utilities_test.main();
   });
 }