Fix Gn Untracked headers in webrtc/common_audio

webrtc/common_audio/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/config/arm.gni")
 import("../webrtc.gni")
@@ skipping 86 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" ]
   }
 
   if (current_cpu == "x86" || current_cpu == "x64") {
     deps += [ ":common_audio_sse2" ]
   }
 }
 
+rtc_source_set("audio_mock_headers_utility") {

[kjellander_webrtc, 2017/09/14 16:44:56]

other targets in the tree have the naming convention mock_*
so I think mock_common_audio is a better name.

+  testonly = true
+  sources = [
+    "mocks/mock_smoothing_filter.h",
+    "vad/mock/mock_vad.h",
+  ]
+  deps = [
+    ":common_audio",
+    "../test:test_support",
+  ]
+}
+
 rtc_source_set("common_audio_c_arm_asm") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
   sources = []
   if (current_cpu == "arm") {
     sources += [
       "signal_processing/complex_bit_reverse_arm.S",
       "signal_processing/spl_sqrt_floor_arm.S",
     ]
 
     if (arm_version >= 7) {
@@ skipping 20 matching lines @@
     "signal_processing/downsample_fast.c",
     "signal_processing/energy.c",
     "signal_processing/filter_ar.c",
     "signal_processing/filter_ma_fast_q12.c",
     "signal_processing/get_hanning_window.c",
     "signal_processing/get_scaling_square.c",
     "signal_processing/ilbc_specific_functions.c",
     "signal_processing/include/real_fft.h",
     "signal_processing/include/signal_processing_library.h",
     "signal_processing/include/spl_inl.h",
+    "signal_processing/include/spl_inl_armv7.h",
     "signal_processing/levinson_durbin.c",
     "signal_processing/lpc_to_refl_coef.c",
     "signal_processing/min_max_operations.c",
     "signal_processing/randomization_functions.c",
     "signal_processing/real_fft.c",
     "signal_processing/refl_coef_to_lpc.c",
     "signal_processing/resample.c",
     "signal_processing/resample_48khz.c",
     "signal_processing/resample_by_2.c",
     "signal_processing/resample_by_2_internal.c",
@@ skipping 253 matching lines @@
       "//testing/gtest",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
 
       shard_timeout = 900
     }
   }
 }