Add analytics to analyzer-cli and analysis server.

pkg/analysis_server/lib/src/domain_server.dart

Index: pkg/analysis_server/lib/src/domain_server.dart
diff --git a/pkg/analysis_server/lib/src/domain_server.dart b/pkg/analysis_server/lib/src/domain_server.dart
index 95d12bdf5c68ae221f43abf1ee232bb043c1d05f..ccd12bc9dbcfa6e8c2ea3a0838dd343b982c072f 100644
--- a/pkg/analysis_server/lib/src/domain_server.dart
+++ b/pkg/analysis_server/lib/src/domain_server.dart
@@ -2,6 +2,8 @@
 // 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.
 
+import 'dart:async';
+
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_constants.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
@@ -39,7 +41,8 @@ class ServerDomainHandler implements RequestHandler {
       } else if (requestName == SERVER_REQUEST_SET_SUBSCRIPTIONS) {
         return setSubscriptions(request);
       } else if (requestName == SERVER_REQUEST_SHUTDOWN) {
-        return shutdown(request);
+        shutdown(request);
+        return Response.DELAYED_RESPONSE;
       }
     } on RequestFailure catch (exception) {
       return exception.response;
@@ -63,9 +66,9 @@ class ServerDomainHandler implements RequestHandler {
   /**
    * Cleanly shutdown the analysis server.
    */
-  Response shutdown(Request request) {
-    server.shutdown();
+  Future<Null> shutdown(Request request) async {
+    await server.shutdown();
     Response response = new ServerShutdownResult().toResponse(request.id);
-    return response;
+    server.sendResponse(response);
   }
 }