Use SingleThreadedTaskQueue in DirectTransport

webrtc/audio/BUILD.gn

 # Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../webrtc.gni")
 if (is_android) {
@@ skipping 138 matching lines @@
     sources = [
       "test/audio_bwe_integration_test.cc",
       "test/audio_bwe_integration_test.h",
     ]
     deps = [
       "../common_audio",
       "../rtc_base:rtc_base_approved",
       "../system_wrappers",
       "../test:fake_audio_device",
       "../test:field_trial",
+      "../test:single_threaded_task_queue",
       "../test:test_common",
       "../test:test_main",
       "//testing/gmock",
       "//testing/gtest",
       "//third_party/gflags",
     ]
 
     data = [
       "//resources/voice_engine/audio_dtx16.wav",
     ]
 
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
 }