This change fixes two cases of encountered mutex re-entries. Bug: webrtc:11821 Change-Id: Iaef730e4233a79b0d1b2bf6a17fe3f14e2558e98 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/180800 Reviewed-by: Henrik Andreassson <henrika@webrtc.org> Commit-Queue: Markus Handell <handellm@webrtc.org> Cr-Commit-Position: refs/heads/master@{#31831}