Move webrtc::AudioDeviceModule include to api/ folder

Bug: webrtc:15874
Change-Id: I5bdb19d5e710838b41e6ca283d406c9f1f21286b
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/348060
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42137}
diff --git a/api/BUILD.gn b/api/BUILD.gn
index 2b484f8..152f2cb 100644
--- a/api/BUILD.gn
+++ b/api/BUILD.gn
@@ -80,12 +80,12 @@
       ":libjingle_peerconnection_api",
       ":scoped_refptr",
       "../api/rtc_event_log:rtc_event_log_factory",
-      "../modules/audio_device:audio_device_api",
       "../pc:peer_connection_factory",
       "../pc:webrtc_sdp",
       "../rtc_base:threading",
       "../rtc_base/system:rtc_export",
       "../stats:rtc_stats",
+      "audio:audio_device",
       "audio:audio_mixer_api",
       "audio:audio_processing",
       "audio_codecs:audio_codecs_api",