Enable use_once_callback on mojom GN rule by default

media/mojo/interfaces/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("//mojo/public/tools/bindings/mojom.gni")
 
 mojom("interfaces") {
   sources = [
     "audio_decoder.mojom",
     "audio_output_stream.mojom",
@@ skipping 23 matching lines @@
   }
 
   public_deps = [
     "//gpu/ipc/common:interfaces",
     "//mojo/common:common_custom_types",
     "//services/service_manager/public/interfaces",
     "//ui/gfx/geometry/mojo",
     "//url/mojo:url_mojom_gurl",
     "//url/mojo:url_mojom_origin",
   ]
+
+  # TODO(crbug.com/714018): Convert the implementation to use OnceCallback.
+  use_once_callback = false
 }
 
 mojom("remoting") {
   sources = [
     "remoting.mojom",
   ]
 }