Temporarily move plugin support

pkg/analysis_server/lib/src/server/driver.dart

Index: pkg/analysis_server/lib/src/server/driver.dart
diff --git a/pkg/analysis_server/lib/src/server/driver.dart b/pkg/analysis_server/lib/src/server/driver.dart
index c09c6c925251c0f38c2b34bf86f6663397b556c3..bce01102c4837925294bd3b0a4e9fed4557dce96 100644
--- a/pkg/analysis_server/lib/src/server/driver.dart
+++ b/pkg/analysis_server/lib/src/server/driver.dart
@@ -8,9 +8,7 @@ import 'dart:async';
 import 'dart:io';
 import 'dart:math';
 
-import 'package:analysis_server/plugin/plugin.dart';
 import 'package:analysis_server/src/analysis_server.dart';
-import 'package:analysis_server/src/plugin/plugin_impl.dart';
 import 'package:analysis_server/src/plugin/server_plugin.dart';
 import 'package:analysis_server/src/server/http_server.dart';
 import 'package:analysis_server/src/server/stdio_server.dart';
@@ -19,12 +17,14 @@ import 'package:analysis_server/starter.dart';
 import 'package:analyzer/file_system/physical_file_system.dart';
 import 'package:analyzer/instrumentation/file_instrumentation.dart';
 import 'package:analyzer/instrumentation/instrumentation.dart';
+import 'package:analyzer/options.dart';
+import 'package:analyzer/plugin/plugin.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';
 import 'package:analyzer/src/generated/sdk_io.dart';
-import 'package:analyzer/options.dart';
+import 'package:analyzer/src/plugin/plugin_impl.dart';
 import 'package:args/args.dart';
 
 /**