Issue 27130. Fix applying changes to .analysis_options on save.

pkg/analysis_server/lib/src/analysis_server.dart

Index: pkg/analysis_server/lib/src/analysis_server.dart
diff --git a/pkg/analysis_server/lib/src/analysis_server.dart b/pkg/analysis_server/lib/src/analysis_server.dart
index 55a7566f9c781a970b29f52ceb8b5c68a03b4220..c8a653a391edf74922ad47b1b04cdcfc082e99f3 100644
--- a/pkg/analysis_server/lib/src/analysis_server.dart
+++ b/pkg/analysis_server/lib/src/analysis_server.dart
@@ -1631,10 +1631,8 @@ class ServerContextManagerCallbacks extends ContextManagerCallbacks {
   void applyChangesToContext(Folder contextFolder, ChangeSet changeSet) {
     AnalysisContext context = analysisServer.folderMap[contextFolder];
     if (context != null) {
-      ApplyChangesStatus changesStatus = context.applyChanges(changeSet);
-      if (changesStatus.hasChanges) {
-        analysisServer.schedulePerformAnalysisOperation(context);
-      }
+      context.applyChanges(changeSet);
+      analysisServer.schedulePerformAnalysisOperation(context);
       List<String> flushedFiles = new List<String>();
       for (Source source in changeSet.removedSources) {
         flushedFiles.add(source.fullName);