Move AudioDecoder and related stuff to the api/ directory

webrtc/tools/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("//third_party/protobuf/proto_library.gni")
 import("../webrtc.gni")
@@ skipping 190 matching lines @@
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
     defines = [ "ENABLE_RTC_EVENT_LOG" ]
     deps = [
       "../call:call_interfaces",
       "../logging:rtc_event_log_impl",
       "../logging:rtc_event_log_parser",
       "../modules/audio_coding:ana_debug_dump_proto",
 
       # TODO(kwiberg): Remove this dependency.
-      "../modules/audio_coding:audio_format",
+      "../api/audio_codecs:audio_codecs_api",
       "../modules/congestion_controller",
       "../modules/rtp_rtcp",
       "../system_wrappers:system_wrappers_default",
       "//build/config/sanitizers:deps",
     ]
     public_deps = [
       ":chart_proto",
       "../logging:rtc_event_log_parser",
     ]
   }
@@ skipping 105 matching lines @@
       ]
       outputs = [
         "$root_build_dir/{{source_file_part}}",
       ]
       deps = [
         "../logging:rtc_event_log_proto",
       ]
     }
   }
 }