Add analytics to analyzer-cli and analysis server.

pkg/analyzer_cli/bin/analyzer.dart

Index: pkg/analyzer_cli/bin/analyzer.dart
diff --git a/pkg/analyzer_cli/bin/analyzer.dart b/pkg/analyzer_cli/bin/analyzer.dart
index 3172b0fab730f9adbc26652bfc058dcb5d13936a..f225b841b3830596d4c7e62b7d2b385c91e1cd53 100644
--- a/pkg/analyzer_cli/bin/analyzer.dart
+++ b/pkg/analyzer_cli/bin/analyzer.dart
@@ -3,10 +3,18 @@
 // 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:io';
+
 import 'package:analyzer_cli/starter.dart';
 
 /// The entry point for the command-line analyzer.
-void main(List<String> args) {
+main(List<String> args) async {
   CommandLineStarter starter = new CommandLineStarter();
-  starter.start(args);
+
+  // Wait for the starter to complete.
+  await starter.start(args);
+
+  // Call exit() explicitly. Analytics calls could still be ongoing, but we
+  // don't want to delay returning the analysis results because of them.
+  exit(exitCode);
 }