Cast: Update simulator tool with more inputs.

media/cast/test/proto/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("//third_party/protobuf/proto_library.gni")
 
 # GYP version: media/cast/cast.gyp:cast_logging_proto
-source_set("proto") {
+proto_library("cast_network_simulation_proto") {
+  visibility = ":proto"
   sources = [
-    "proto_utils.cc",
-  ]
-  deps = [
-    ":cast_logging_proto",
+    "network_simulation_model.proto",
   ]
 }
 
-proto_library("cast_logging_proto") {
-  visibility = ":proto"
-  sources = [
-    "raw_events.proto",
-  ]
-}