in production code keep using GlobalTaskQueueFactory() in tests switch to use DefaultTaskQueueFactory directly. Bug: webrtc:10284 Change-Id: I170274a98324796623089a965a39f0cbb7e281d9 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/128878 Reviewed-by: Steve Anton <steveanton@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#27296}