Move application_manager from /mojo to /shell.

mojo/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("//build/config/ui.gni")
 import("//mojo/public/mojo.gni")
 
 # TODO(beng): this meta target should probably move to the root dir's BUILD.gn.
 group("mojo") {
   # Meta-target, don't link into production code.
@@ skipping 29 matching lines @@
     deps += [
       "//mojo/nacl:mojo_nacl",
       "//mojo/nacl:mojo_nacl_tests",
     ]
   }
 }
 
 group("tests") {
   testonly = true
   deps = [
-    "//mojo/application_manager:mojo_application_manager_unittests",
     "//mojo/common:mojo_common_unittests",
     "//mojo/converters/surfaces/tests:mojo_surfaces_lib_unittests",
     "//mojo/edk/js/test:js_unittests",
     "//mojo/edk/js/test:js_integration_tests",
     "//mojo/edk/system:mojo_message_pipe_perftests",
     "//mojo/edk/system:mojo_system_unittests",
     "//mojo/edk/test:mojo_public_application_unittests",
     "//mojo/edk/test:mojo_public_bindings_unittests",
     "//mojo/edk/test:mojo_public_environment_unittests",
     "//mojo/edk/test:mojo_public_system_perftests",
@@ skipping 12 matching lines @@
   ]
 
   if (is_android) {
     deps += [ "//mojo/edk/system:mojo_system_unittests_apk" ]
   }
 
   if (mojo_use_dart) {
     deps += [ "//mojo/dart/embedder/test:dart_unittests" ]
   }
 }