Use SequenceChecker from public API

Bug: webrtc:12419
Change-Id: I00cca16a0ec70246156ba00b97aa7ae5ccbf5364
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/205323
Commit-Queue: Artem Titov <titovartem@webrtc.org>
Reviewed-by: Tommi <tommi@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33220}
diff --git a/modules/video_coding/loss_notification_controller.h b/modules/video_coding/loss_notification_controller.h
index 06e193b..4d536ba 100644
--- a/modules/video_coding/loss_notification_controller.h
+++ b/modules/video_coding/loss_notification_controller.h
@@ -17,8 +17,8 @@
 
 #include "absl/types/optional.h"
 #include "api/array_view.h"
+#include "api/sequence_checker.h"
 #include "modules/include/module_common_types.h"
-#include "rtc_base/synchronization/sequence_checker.h"
 #include "rtc_base/system/no_unique_address.h"
 
 namespace webrtc {