Promote RtcEventLogOutputFile to api/

Preparation for deleting PeerConnectionInterface::StartRtcEventLog
method with a PlatformFile argument.

Bug: webrtc:6463
Change-Id: Ia9fa1d99a3d87f3bf193e73382690b782ffea65c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/135285
Commit-Queue: Niels Moller <nisse@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27879}
diff --git a/video/BUILD.gn b/video/BUILD.gn
index 8d776d5..5e7cb47 100644
--- a/video/BUILD.gn
+++ b/video/BUILD.gn
@@ -246,6 +246,7 @@
     deps = [
       ":frame_dumping_decoder",
       "../api:fec_controller_api",
+      "../api:rtc_event_log_output_file",
       "../api:test_dependency_factory",
       "../api:video_quality_test_fixture_api",
       "../api/task_queue",
@@ -258,7 +259,6 @@
       "../common_video",
       "../logging:rtc_event_log_api",
       "../logging:rtc_event_log_impl_base",
-      "../logging:rtc_event_log_impl_output",
       "../media:rtc_audio_video",
       "../media:rtc_encoder_simulcast_proxy",
       "../media:rtc_internal_video_codecs",