mash: Disable ash_sysui; begin removal.

ash/sysui/BUILD.gn

 # Copyright 2016 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("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//services/shell/public/cpp/service.gni")
 import("//services/shell/public/service_manifest.gni")
 
 source_set("lib") {
@@ skipping 46 matching lines @@
     "//ui/message_center",
     "//ui/platform_window/stub",
     "//ui/resources",
     "//ui/strings",
     "//ui/views",
     "//ui/views/mus:for_mojo_application",
     "//ui/wm",
   ]
 
   public_deps = [
-    "//ash/sysui/public/interfaces",
+    "//ash/public/interfaces",
     "//mash/shelf/public/interfaces",
   ]
 
   if (is_chromeos) {
     deps += [ "//chromeos" ]
   }
 }
 
 service_manifest("manifest") {
   name = "ash_sysui"
@@ skipping 18 matching lines @@
     "//services/ui",
   ]
 
   # TODO: Load locale-specific strings and explicit resource dependencies.
   resources = [
     "$root_out_dir/ash_test_resources_100_percent.pak",
     "$root_out_dir/ash_test_resources_200_percent.pak",
     "$root_out_dir/ash_test_strings.pak",
   ]
 }