Provide the option of injecting rtc::TaskQueue when creating RtcEventLogImpl via factory methods.

Bug: webrtc:9004
Change-Id: Ia7cc96074dbf84f576e5fb0762866b213ec8e69f
Reviewed-on: https://webrtc-review.googlesource.com/63022
Commit-Queue: Dino Radaković <dinor@webrtc.org>
Reviewed-by: Elad Alon <eladalon@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22520}
diff --git a/logging/BUILD.gn b/logging/BUILD.gn
index afee194..a47c81d 100644
--- a/logging/BUILD.gn
+++ b/logging/BUILD.gn
@@ -44,6 +44,7 @@
   deps = [
     "../api:libjingle_logging_api",
     "../rtc_base:rtc_base_approved",
+    "../rtc_base:rtc_task_queue",
   ]
 }