mojom: Remove braces from module statements and make them come first.

mojo/spy/public/spy.mojom

 // 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.
 
-module mojo.spy_api {
+module mojo.spy_api;
 
 enum Result {
   ALL_OK,
   INTERNAL_ERROR,
   INVALID_ID,
   NO_MORE_IDS,
   INVALID_CALL,
   INVALID_PARAMS,
   BAD_STATE,
   RESOURCE_LIMIT
@@ skipping 23 matching lines @@
   StopSession() => (Result result);
   TrackConnection(uint32 id, ConnectionOptions options) => (Result result);
 };
 
 interface SpyClient {
   OnFatalError(Result result);
   OnSessionEnd(Result result);
   OnClientConnection(string? name, uint32 id, ConnectionOptions options);
   OnMessage(Message? message);
 };
-
-}