Move PackageIndexAssembler into analysis_server.

pkg/analysis_server/test/services/index/index_unit_test.dart

Index: pkg/analysis_server/test/services/index/index_unit_test.dart
diff --git a/pkg/analyzer/test/src/summary/index_unit_test.dart b/pkg/analysis_server/test/services/index/index_unit_test.dart
similarity index 99%
rename from pkg/analyzer/test/src/summary/index_unit_test.dart
rename to pkg/analysis_server/test/services/index/index_unit_test.dart
index 06f6efb11f8b4bd3c997cad65cec8af3caa2d132..87388fd272a2ba82bfacd6f5ff0cfde5cb9746ff 100644
--- a/pkg/analyzer/test/src/summary/index_unit_test.dart
+++ b/pkg/analysis_server/test/services/index/index_unit_test.dart
@@ -4,15 +4,15 @@
 
 import 'dart:convert';
 
+import 'package:analysis_server/src/services/index/index_unit.dart';
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/src/summary/format.dart';
 import 'package:analyzer/src/summary/idl.dart';
-import 'package:analyzer/src/summary/index_unit.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
 import 'package:unittest/unittest.dart';
 
-import '../abstract_single_unit.dart';
+import '../../abstract_single_unit.dart';
 
 main() {
   groupSep = ' | ';