Clean up package imports and library names

pkg/analyzer/test/file_system/physical_resource_provider_test.dart

Index: pkg/analyzer/test/file_system/physical_resource_provider_test.dart
diff --git a/pkg/analyzer/test/file_system/physical_resource_provider_test.dart b/pkg/analyzer/test/file_system/physical_resource_provider_test.dart
index 852c7b2cf7d106c2407afb2bfb13fa5fb8962dd8..850bbcf3fecc6f3814e89aa7a485e21a9a4cfb5f 100644
--- a/pkg/analyzer/test/file_system/physical_resource_provider_test.dart
+++ b/pkg/analyzer/test/file_system/physical_resource_provider_test.dart
@@ -2,7 +2,7 @@
 // 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.physical_file_system;
+library analyzer.test.file_system.physical_resource_provider_test;
 
 import 'dart:async';
 import 'dart:core' hide Resource;