Add an analytics domain to the analysis server.

pkg/analysis_server/lib/src/plugin/server_plugin.dart

Index: pkg/analysis_server/lib/src/plugin/server_plugin.dart
diff --git a/pkg/analysis_server/lib/src/plugin/server_plugin.dart b/pkg/analysis_server/lib/src/plugin/server_plugin.dart
index b06855d8a4b264ba32a818eda88cbf67b243943d..741f4257b15014a378c9b54a7643a033f947e8cb 100644
--- a/pkg/analysis_server/lib/src/plugin/server_plugin.dart
+++ b/pkg/analysis_server/lib/src/plugin/server_plugin.dart
@@ -15,6 +15,7 @@ import 'package:analysis_server/plugin/edit/fix/fix_core.dart';
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/domain_analysis.dart';
+import 'package:analysis_server/src/domain_analytics.dart';
 import 'package:analysis_server/src/domain_completion.dart';
 import 'package:analysis_server/src/domain_diagnostic.dart';
 import 'package:analysis_server/src/domain_execution.dart';
@@ -306,6 +307,9 @@ class ServerPlugin implements Plugin {
         (AnalysisServer server) => new ExecutionDomainHandler(server));
     registerExtension(domainId,
         (AnalysisServer server) => new DiagnosticDomainHandler(server));
+    registerExtension(domainId,
+        (AnalysisServer server) => new AnalyticsDomainHandler(server));
+
     //
     // Register fix contributors.
     //