Replaced ACCESS_ON alias with GUARDED_BY macros
to fix projects that has own copy of base/thread_annotation.h

R=åsapersson
NOTRY=true

Review-Url: https://codereview.webrtc.org/2048113002
Cr-Original-Commit-Position: refs/heads/master@{#13073}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 2019afd0ef27c203bf2b32ba00fd66e1f6e1c06c
1 file changed