bluetooth: Stub out BluetoothGattRemoteServer.

Source/modules/bluetooth/BluetoothGATTRemoteServer.idl

+// 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.
+
+// https://webbluetoothcg.github.io/web-bluetooth/#idl-def-BluetoothGATTRemoteServer
+
+// Implement BluetoothGATTRemoteServer interface: https://crbug.com/476735
+
+[
+    GarbageCollected,
+    RuntimeEnabled=Bluetooth,
+] interface BluetoothGATTRemoteServer
+// Implement ServiceEventHandlers interface: http://crbug.com/421670
+// : ServiceEventHandlers 
+{
+  // readonly attribute BluetoothDevice      device;
+  // readonly attribute boolean              connected;
+  // void                                    disconnect ();
+  // Promise<BluetoothGATTService>           getPrimaryService (BluetoothServiceUuid service);
+  // Promise<sequence<BluetoothGATTService>> getPrimaryServices (optional BluetoothServiceUuid service);
+};