Implementation of new AecDump interface.

webrtc/modules/audio_processing/BUILD.gn

Index: webrtc/modules/audio_processing/BUILD.gn
diff --git a/webrtc/modules/audio_processing/BUILD.gn b/webrtc/modules/audio_processing/BUILD.gn
index 4e00328e48ed0f81ce82f2921c267f77dd7bfe3a..de33363125bbfa44df6d7aeccbc1b8b9f27fc975 100644
--- a/webrtc/modules/audio_processing/BUILD.gn
+++ b/webrtc/modules/audio_processing/BUILD.gn
@@ -490,6 +490,7 @@ if (rtc_include_tests) {
         ":audioproc_f",
         ":audioproc_unittest_proto",
         ":unpack_aecdump",
+        "aec_dump:aec_dump_unittests",
         "test/conversational_speech",
         "test/py_quality_assessment",
       ]
@@ -738,10 +739,12 @@ if (rtc_include_tests) {
         ":audioproc_test_utils",
         "../../base:protobuf_utils",
         "../../base:rtc_base_approved",
+        "../../base:rtc_task_queue",
         "../../common_audio:common_audio",
         "../../system_wrappers",
         "../../system_wrappers:system_wrappers_default",
         "../../test:test_support",
+        "aec_dump",
         "//testing/gtest",
         "//third_party/gflags:gflags",
       ]