Move PackageIndexAssembler into analysis_server.

R=brianwilkerson@google.com
BUG=

Review URL: https://codereview.chromium.org/2357283002 .

pkg/analysis_server/lib/src/services/index/index.dart

@@ -4,13 +4,13 @@
 
 import 'dart:async';
 
+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/generated/engine.dart' show AnalysisContext;
 import 'package:analyzer/src/generated/source.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:collection/collection.dart';
 
 /**

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 = ' | ';

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

@@ -6,6 +6,7 @@ import 'package:unittest/unittest.dart';
 
 import '../../utils.dart';
 import 'index_test.dart' as index_test;
+import 'index_unit_test.dart' as index_unit_test;
 
 /**
  * Utility for manually running all tests.
@@ -14,5 +15,6 @@ main() {
   initializeTestEnvironment();
   group('index', () {
     index_test.main();
+    index_unit_test.main();
   });
 }

pkg/analyzer/test/src/summary/test_all.dart

@@ -10,7 +10,6 @@ import '../../utils.dart';
 import 'api_signature_test.dart' as api_signature_test;
 import 'flat_buffers_test.dart' as flat_buffers_test;
 import 'in_summary_source_test.dart' as in_summary_source_test;
-import 'index_unit_test.dart' as index_unit_test;
 import 'linker_test.dart' as linker_test;
 import 'name_filter_test.dart' as name_filter_test;
 import 'package_bundle_reader_test.dart' as package_bundle_reader_test;
@@ -27,7 +26,6 @@ main() {
     api_signature_test.main();
     flat_buffers_test.main();
     in_summary_source_test.main();
-    index_unit_test.main();
     linker_test.main();
     name_filter_test.main();
     package_bundle_reader_test.main();