Clean up package imports and library names

pkg/analyzer/test/source/analysis_options_provider_test.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 test.source.analysis_options_provider;
+library analyzer.test.source.analysis_options_provider_test;
 
 import 'package:analyzer/file_system/memory_file_system.dart';
 import 'package:analyzer/source/analysis_options_provider.dart';
 import 'package:unittest/unittest.dart';
 import 'package:yaml/yaml.dart';
 
 import '../utils.dart';
 
 main() {
   initializeTestEnvironment();
@@ skipping 163 matching lines @@
   }
 }
 
 clearResourceProvider() {
   resourceProvider = null;
 }
 
 emptyResourceProvider() {
   resourceProvider = new MemoryResourceProvider();
 }