This failed on the Memcheck bot due to different stack signature. Widening the suppression should fix that. BUG=webrtc:5988 TBR=pthatcher@webrtc.org Change-Id: Ia448d0f157d650e3ab6d4b02b3acbac91c62d1cd Reviewed-on: https://chromium-review.googlesource.com/553377 Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Cr-Commit-Position: refs/heads/master@{#18818}