These changes are based on finding when using Tsan v2. More changes are
needed before usage of the THREAD_SANITIZER build flag can be removed.
Hence, all tests are still ignored when this flag is set. The changes
are still improvements.
See https://bugs.chromium.org/p/webrtc/issues/detail?id=9778#c10
for more details.
Bug: webrtc:9778
Change-Id: I1266cec48165046dcffc16f104ec5b88b41500b2
Reviewed-on: https://webrtc-review.googlesource.com/102440
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Henrik Andreassson <henrika@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#24880}