Add missing files to audio_coding

Bug: webrtc:7650
Change-Id: I8d7d8c3998799404ec6283896883d195468cdfdc
Reviewed-on: https://webrtc-review.googlesource.com/37622
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Commit-Queue: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21502}
diff --git a/modules/audio_coding/BUILD.gn b/modules/audio_coding/BUILD.gn
index 53043d9..3a4bca1 100644
--- a/modules/audio_coding/BUILD.gn
+++ b/modules/audio_coding/BUILD.gn
@@ -1260,6 +1260,20 @@
 }
 
 if (rtc_include_tests) {
+  rtc_source_set("mocks") {
+    testonly = true
+    sources = [
+      "audio_network_adaptor/mock/mock_audio_network_adaptor.h",
+      "audio_network_adaptor/mock/mock_controller.h",
+      "audio_network_adaptor/mock/mock_controller_manager.h",
+      "audio_network_adaptor/mock/mock_debug_dump_writer.h",
+    ]
+    deps = [
+      ":audio_network_adaptor",
+      "../../test:test_support",
+    ]
+  }
+
   group("audio_coding_tests") {
     visibility += [ "*" ]
     testonly = true
@@ -2054,8 +2068,6 @@
       "audio_network_adaptor/fec_controller_plr_based_unittest.cc",
       "audio_network_adaptor/fec_controller_rplr_based_unittest.cc",
       "audio_network_adaptor/frame_length_controller_unittest.cc",
-      "audio_network_adaptor/mock/mock_controller.h",
-      "audio_network_adaptor/mock/mock_controller_manager.h",
       "audio_network_adaptor/util/threshold_curve_unittest.cc",
       "codecs/builtin_audio_decoder_factory_unittest.cc",
       "codecs/builtin_audio_encoder_factory_unittest.cc",
@@ -2133,6 +2145,7 @@
       ":isac_c",
       ":isac_fix",
       ":legacy_encoded_audio_frame",
+      ":mocks",
       ":neteq",
       ":neteq_test_support",
       ":neteq_test_tools",