Add 'flutter_release' patch_sdk mode to patch_sdk

pkg/kernel/lib/target/flutter.dart

Index: pkg/kernel/lib/target/flutter.dart
diff --git a/pkg/kernel/lib/target/flutter.dart b/pkg/kernel/lib/target/flutter.dart
index 79b307156554150d54d84a4e259f71f8421dcc1a..33ad7181d665b4700fc451c5dbf062b056e79240 100644
--- a/pkg/kernel/lib/target/flutter.dart
+++ b/pkg/kernel/lib/target/flutter.dart
@@ -15,7 +15,9 @@ import 'targets.dart';
 class FlutterTarget extends Target {
   final TargetFlags flags;
 
-  FlutterTarget(this.flags);
+  bool includeVMService;

[ahe, 2017/07/10 13:19:02]

Make this final.

[ahe, 2017/07/10 13:19:02]

includeVMService -> includeVmService

[aam, 2017/07/10 22:11:37]

Done.

[aam, 2017/07/10 22:11:37]

I can't do that because I can't use "super(flags, includeVmService: false);"
form in FlutterFastaReleaseTarget class.

+
+  FlutterTarget(this.flags, {this.includeVMService: true});
 
   bool get strongMode => flags.strongMode;
 
@@ -25,27 +27,32 @@ class FlutterTarget extends Target {
 
   // This is the order that bootstrap libraries are loaded according to
   // `runtime/vm/object_store.h`.
-  List<String> get extraRequiredLibraries => const <String>[
-        'dart:async',
-        'dart:collection',
-        'dart:convert',
-        'dart:developer',
-        'dart:_internal',
-        'dart:isolate',
-        'dart:math',
-
-        // The library dart:mirrors may be ignored by the VM, e.g. when built in
-        // PRODUCT mode.
-        'dart:mirrors',
-
-        'dart:profiler',
-        'dart:typed_data',
-        'dart:nativewrappers',
-        'dart:io',
-
-        // Required for flutter.
-        'dart:ui',
-      ];
+  List<String> get extraRequiredLibraries {
+    List<String> libraries = const <String>[
+      'dart:async',
+      'dart:collection',
+      'dart:convert',
+      'dart:developer',
+      'dart:_internal',
+      'dart:isolate',
+      'dart:math',
+
+      // The library dart:mirrors may be ignored by the VM, e.g. when built in
+      // PRODUCT mode.
+      'dart:mirrors',
+
+      'dart:profiler',
+      'dart:typed_data',
+      'dart:nativewrappers',
+      'dart:io',
+
+      // Required for flutter.
+      'dart:ui',
+    ];
+    return includeVMService
+        ? (new List.from(libraries)..add('dart:vmservice_sky'))
+        : libraries;
+  }
 
   void performModularTransformationsOnLibraries(
       CoreTypes coreTypes, ClassHierarchy hierarchy, List<Library> libraries,