GN Templates: Move common_config to the template.

webrtc/modules/audio_device/BUILD.gn

 # Copyright (c) 2014 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("../../build/webrtc.gni")
 
@@ skipping 31 matching lines @@
 
       # See https://bugs.chromium.org/p/webrtc/issues/detail?id=6265
       # for -Wno-thread-safety-analysis
       "-Wno-thread-safety-analysis",
       "-Wno-unused-private-field",
     ]
   }
 }
 
 rtc_source_set("audio_device") {
-  configs += [ "../..:common_config" ]
   public_configs = [
     "../..:common_inherited_config",
     ":audio_device_config",
   ]
 
   deps = [
     "../..:webrtc_common",
     "../../base:rtc_base",
     "../../base:rtc_base_approved",
     "../../base:rtc_task_queue",
@@ skipping 193 matching lines @@
     deps = [
       ":audio_device",
       "../..:webrtc_common",
       "../../system_wrappers",
       "../../test:test_support",
       "../../test:test_support_main",
       "../rtp_rtcp",
       "../utility",
       "//testing/gtest",
     ]
-    configs += [ "../..:common_config" ]
     public_configs = [
       "../..:common_inherited_config",
       ":audio_device_config",
     ]
   }
 }