github.com/flutter/engine changes required to use kernel

sky/engine/core/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//flutter/common/config.gni")
 import("//flutter/sky/engine/core/core.gni")
 
 visibility = [ "//flutter/sky/engine/*", "//flutter/sky/shell/*" ]
 
 static_library("core") {
   output_name = "sky_core"
 
   deps = [
     "//dart/runtime:libdart",
     "//dart/runtime/bin:embedded_dart_io",
     "//dart/runtime/vm:libdart_platform",
+    "//dart/runtime/vm:patched_sdk",
     "//flutter/assets",
     "//flutter/sky/engine/platform",
   ]
 
   if (flutter_runtime_mode != "release" && !is_fuchsia) {
     # Only include observatory assets in non-release modes.
     deps += [
       "//dart/runtime/observatory:embedded_observatory_archive",
     ]
   }
@@ skipping 28 matching lines @@
       "//lib/tonic/debugger",
     ]
   }
 
   if (is_android) {
     public_deps += [
       "//flutter/lib/jni",
     ]
   }
 }