Replace test_support_main by test_main and get rid of test_support_main_threaded_mac

webrtc/voice_engine/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 181 matching lines @@
       "//testing/gtest",
       "//webrtc/common_audio",
       "//webrtc/modules/audio_coding",
       "//webrtc/modules/audio_conference_mixer",
       "//webrtc/modules/audio_device",
       "//webrtc/modules/audio_processing",
       "//webrtc/modules/media_file",
       "//webrtc/modules/rtp_rtcp",
       "//webrtc/modules/utility",
       "//webrtc/system_wrappers",
-      "//webrtc/test:test_support_main",
+      "//webrtc/test:test_main",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_native_code" ]
       shard_timeout = 900
     }
 
     sources = [
       "channel_unittest.cc",
       "test/channel_transport/udp_socket_manager_unittest.cc",
@@ skipping 133 matching lines @@
         ]
       }
 
       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" ]
       }
     }
   }
 }