Reset refactoring manager on any analysis.

pkg/analysis_server/lib/src/domain_execution.dart

Index: pkg/analysis_server/lib/src/domain_execution.dart
diff --git a/pkg/analysis_server/lib/src/domain_execution.dart b/pkg/analysis_server/lib/src/domain_execution.dart
index 9fb599fb5096562be9aa5752518540aff3acda70..c41900c07693920f880353a996cb523a112b9e8b 100644
--- a/pkg/analysis_server/lib/src/domain_execution.dart
+++ b/pkg/analysis_server/lib/src/domain_execution.dart
@@ -4,10 +4,11 @@
 
 library domain.execution;
 
+import 'dart:collection';
+
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
 import 'package:analysis_server/src/protocol.dart';
-import 'dart:collection';
 import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/source.dart';
 
@@ -203,6 +204,10 @@ class LaunchDataNotificationListener implements AnalysisServerListener {
             htmlToDart).toNotification());
   }
 
+  @override
+  void analysisStarted(AnalysisContext context) {
+  }
+
   List<String> getFullNames(List<Source> sources) {
     return sources.map((Source source) => source.fullName).toList();
   }