Separate mojo/shell into a runner and the application manager (shell)

mandoline/app/BUILD.gn

 # Copyright 2015 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("//third_party/mojo/src/mojo/public/mojo.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 executable("mandoline") {
   sources = []
 
   deps = [
     "//base",
     "//build/config/sanitizers:deps",
     "//mojo/common",
     "//mojo/environment:chromium",
-    "//mojo/shell:lib",
+    "//mojo/runner:lib",
   ]
 
   if (!is_android) {
     sources += [
       "desktop/launcher_process.cc",
       "desktop/launcher_process.h",
       "desktop/main.cc",
     ]
   }
 }