Move //mojo/services/X/public/... to //mojo/services/X/... (part 1).

mojo/services/device_info/public/interfaces/device_info.mojom

-// 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.
-
-[DartPackage="mojo_services"]
-module mojo;
-
-// A service to expose device specific information.
-// All operations are stateless.
-interface DeviceInfo {
-  // The device type this service is running on. It can be a function of things
-  // like whether there's an attached screen and its size, etc.
-  enum DeviceType {
-    UNKNOWN,
-    HEADLESS,  // No attached display. Useful in tests.
-    WATCH,  // Display smaller than 3.5".
-    PHONE,  // Display smaller than 6.5" and larger than 3.5".
-    TABLET,  // Display smaller than 10.5" and larger than 6.5".
-
-    // Anything with a display larger than 10.5" with an attached keyboard.
-    DESKTOP,
-
-    // Anything with a display larger than 10.5" without an attached keyboard.
-    TV,
-  };
-  GetDeviceType() => (DeviceType device_type);
-};