[chromecast] disable audio filter for non-google build.

chromecast/media/cma/backend/alsa/BUILD.gn

 # 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//chromecast/chromecast.gni")
 import("//media/media_options.gni")
 import("//testing/test.gni")
 
@@ skipping 49 matching lines @@
     "//chromecast/base",
     "//chromecast/media/base",
     "//chromecast/media/cma/backend:null",
     "//chromecast/media/cma/base",
     "//chromecast/media/cma/decoder",
     "//chromecast/public/media",
     "//media",
     "//media:shared_memory_support",
   ]
 
-  if (chromecast_branding == "public") {
+  if (chromecast_branding != "google") {
     deps += [ ":audio_filter_null" ]
   } else {
     deps += [ "//chromecast/internal/media/cma/backend/alsa:filter" ]
   }
 }
 
 source_set("audio_filter_null") {
   sources = [
     "audio_filter_factory_default.cc",
   ]
@@ skipping 60 matching lines @@
   public_deps = [
     ":alsa_cma_backend",
   ]
 
   deps = [
     "//base",
     "//media",
     "//testing/gmock",
   ]
 }