update the analyzer and analysis server perf tags

pkg/analysis_server/lib/src/context_manager.dart

Index: pkg/analysis_server/lib/src/context_manager.dart
diff --git a/pkg/analysis_server/lib/src/context_manager.dart b/pkg/analysis_server/lib/src/context_manager.dart
index 9baa103efdbff485a52b6c5f2912d55087b96ae4..db0b06e9e7e1908823c80944a9596fd34bad2b46 100644
--- a/pkg/analysis_server/lib/src/context_manager.dart
+++ b/pkg/analysis_server/lib/src/context_manager.dart
@@ -7,7 +7,6 @@ import 'dart:collection';
 import 'dart:convert';
 import 'dart:core';
 
-import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analyzer/context/context_root.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
@@ -1155,9 +1154,7 @@ class ContextManagerImpl implements ContextManager {
           }
         }
 
-        ServerPerformanceStatistics.pub.makeCurrentWhile(() {
-          packageMapInfo = _packageMapProvider.computePackageMap(folder);
-        });
+        packageMapInfo = _packageMapProvider.computePackageMap(folder);
       } finally {
         callbacks.computingPackageMap(false);
       }