Add Windows, Mac, Android support to low bandwidth audio test

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 71 matching lines @@
       deps += [ ":low_bandwidth_audio_test" ]
     }
 
     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" ]
     }
   }
 
   if (rtc_enable_protobuf) {
-    rtc_executable("low_bandwidth_audio_test") {
+    rtc_test("low_bandwidth_audio_test") {
       testonly = true
 
       sources = [
         "test/low_bandwidth_audio_test.cc",
         "test/low_bandwidth_audio_test.h",
       ]
 
       deps = [
         "../common_audio",
         "../system_wrappers",
@@ skipping 10 matching lines @@
         "//resources/voice_engine/audio_tiny16.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" ]
       }
     }
   }
 }