Introduce the devices Mojo app

device/devices_app/devices_app.gyp

Index: device/devices_app/devices_app.gyp
diff --git a/device/core/core.gyp b/device/devices_app/devices_app.gyp
similarity index 50%
copy from device/core/core.gyp
copy to device/devices_app/devices_app.gyp
index 034b9e3596220d1354ae52cd509bbae42b9452c3..08cc1aab01eac5874a104830ed04cca3a1c166f9 100644
--- a/device/core/core.gyp
+++ b/device/devices_app/devices_app.gyp
@@ -8,18 +8,23 @@
   },
   'targets': [
     {
-      'target_name': 'device_core',
+      'target_name': 'devices_app_lib',
       'type': 'static_library',
       'include_dirs': [
         '../..',
       ],
       'sources': [
-        'device_client.cc',
-        'device_client.h',
-        'device_monitor_win.cc',
-        'device_monitor_win.h',
+        'devices_app.cc',
+        'devices_app.h',
       ],
       'dependencies': [
+        '<(DEPTH)/device/usb/usb.gyp:device_usb',
+        '<(DEPTH)/device/usb/usb.gyp:device_usb_mojo_bindings_lib',
+        '<(DEPTH)/mojo/mojo_base.gyp:mojo_application_bindings',
+        '<(DEPTH)/third_party/mojo/mojo_public.gyp:mojo_cpp_bindings',
+      ],
+      'export_dependent_settings': [
+        '<(DEPTH)/mojo/mojo_base.gyp:mojo_application_bindings',
         '<(DEPTH)/third_party/mojo/mojo_public.gyp:mojo_cpp_bindings',
       ],
     },