Move event_tracer out of rtc_base_approved

Bug: webrtc:9838
Change-Id: Ic3c424729b5edd3e378c4195afe33ae5c88ad491
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/259312
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#36637}
diff --git a/api/audio_codecs/BUILD.gn b/api/audio_codecs/BUILD.gn
index e102b27..0f590c6 100644
--- a/api/audio_codecs/BUILD.gn
+++ b/api/audio_codecs/BUILD.gn
@@ -35,6 +35,7 @@
     "../../api:field_trials_view",
     "../../rtc_base:buffer",
     "../../rtc_base:checks",
+    "../../rtc_base:event_tracer",
     "../../rtc_base:refcount",
     "../../rtc_base:rtc_base_approved",
     "../../rtc_base:sanitizer",
diff --git a/api/video_codecs/BUILD.gn b/api/video_codecs/BUILD.gn
index 1e9c236..d8549e9 100644
--- a/api/video_codecs/BUILD.gn
+++ b/api/video_codecs/BUILD.gn
@@ -194,6 +194,7 @@
     "../../modules/video_coding:video_codec_interface",
     "../../modules/video_coding:video_coding_utility",
     "../../rtc_base:checks",
+    "../../rtc_base:event_tracer",
     "../../rtc_base:logging",
     "../../rtc_base:rtc_base_approved",
     "../../rtc_base/system:rtc_export",