Remove rtc::QueuedTask alias, use webrtc::QueuedTask directly

Use absl::WrapUnique/absl::make_unique to create the queued tasks.

Bug: webrtc:10191
Change-Id: I8f47a60cb326b0fc361c7f0e338b25373d39937c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/126525
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27063}
diff --git a/video/BUILD.gn b/video/BUILD.gn
index 5bb0411..72a0803 100644
--- a/video/BUILD.gn
+++ b/video/BUILD.gn
@@ -126,6 +126,7 @@
   ]
 
   deps = [
+    "../api/task_queue",
     "../api/video:encoded_frame",
     "../api/video:video_frame",
     "../api/video:video_stream_decoder",