Move CompletionTarget and OpType for use by plugins

pkg/analyzer_plugin/test/src/utilities/completion/completion_target_test.dart

Index: pkg/analyzer_plugin/test/src/utilities/completion/completion_target_test.dart
diff --git a/pkg/analysis_server/test/services/completion/completion_target_test.dart b/pkg/analyzer_plugin/test/src/utilities/completion/completion_target_test.dart
similarity index 99%
rename from pkg/analysis_server/test/services/completion/completion_target_test.dart
rename to pkg/analyzer_plugin/test/src/utilities/completion/completion_target_test.dart
index 74d2eb94b0773041a5e6c2930160c903224e46dd..711491ad058c07a6780a81568ac3e839c466e359 100644
--- a/pkg/analysis_server/test/services/completion/completion_target_test.dart
+++ b/pkg/analyzer_plugin/test/src/utilities/completion/completion_target_test.dart
@@ -1,17 +1,17 @@
-// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // 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/src/provisional/completion/dart/completion_target.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer/src/generated/source.dart';
+import 'package:analyzer_plugin/src/utilities/completion/completion_target.dart';
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 
-import '../../abstract_context.dart';
+import '../../../support/abstract_context.dart';
 
 main() {
   defineReflectiveSuite(() {