Move VideoEncoderConfig from call/ to api/.

Bug: webrtc:8830
Change-Id: I42abd45bff9a70fe00733424b34874925c523dc8
Reviewed-on: https://webrtc-review.googlesource.com/77683
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23303}
diff --git a/call/BUILD.gn b/call/BUILD.gn
index 57ee793..c509ace 100644
--- a/call/BUILD.gn
+++ b/call/BUILD.gn
@@ -208,7 +208,6 @@
 
 rtc_source_set("video_stream_api") {
   sources = [
-    "video_config.cc",
     "video_config.h",
     "video_receive_stream.cc",
     "video_receive_stream.h",
@@ -328,6 +327,7 @@
       "..:webrtc_common",
       "../api/audio_codecs:builtin_audio_encoder_factory",
       "../api/video:video_bitrate_allocation",
+      "../api/video_codecs:video_codecs_api",
       "../logging:rtc_event_log_api",
       "../modules/audio_coding",
       "../modules/audio_device",