Make instrumentation available in engine

pkg/analysis_server/lib/driver.dart

Index: pkg/analysis_server/lib/driver.dart
diff --git a/pkg/analysis_server/lib/driver.dart b/pkg/analysis_server/lib/driver.dart
index eba38f2666412e8f8e976851bdea618ec31a9af0..d7e1b56f2f8d7e93f25bd56d99dd497078de965b 100644
--- a/pkg/analysis_server/lib/driver.dart
+++ b/pkg/analysis_server/lib/driver.dart
@@ -12,6 +12,7 @@ import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/socket_server.dart';
 import 'package:analysis_server/stdio_server.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
+import 'package:analyzer/src/generated/engine.dart';
 import 'package:analyzer/src/generated/incremental_logger.dart';
 import 'package:analyzer/src/generated/java_io.dart';
 import 'package:analyzer/src/generated/sdk.dart';
@@ -231,6 +232,7 @@ class Driver {
     InstrumentationService service =
         new InstrumentationService(instrumentationServer);
 //    service.logVersion(results[CLIENT_ID], defaultSdk.sdkVersion);
+    AnalysisEngine.instance.instrumentationService = service;
 
     socketServer = new SocketServer(analysisServerOptions, defaultSdk, service);
     httpServer = new HttpAnalysisServer(socketServer);