Move mojo\shell to services\shell

services/shell/runner/common/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.
 
 source_set("common") {
   sources = [
     "client_util.cc",
     "client_util.h",
     "switches.cc",
     "switches.h",
   ]
 
   deps = [
     "//base",
     "//mojo/edk/system",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/system",
   ]
 
   public_deps = [
-    "//mojo/shell/public/interfaces",
+    "//services/shell/public/interfaces",
   ]
 }