Move mojo\shell to services\shell

mojo/services/catalog/public/interfaces/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("//mojo/public/tools/bindings/mojom.gni")
 
 mojom("interfaces") {
   sources = [
     "catalog.mojom",
     "resolver.mojom",
   ]
 
   import_dirs = [ "//mojo/services" ]
 
   deps = [
-    "//mojo/shell/public/interfaces",
+    "//services/shell/public/interfaces",
   ]
 }