Roll src/third_party/skia c8b350d:8523782
Roll src/third_party/skia c8b350d:8523782

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/c8b350d..8523782

CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
TBR=msarett@google.com

Commits in this roll:
8523782 ssid@chromium.org Fix SkOneShotDiscardablePixelRef to return discardable segment.
5514321 joshualitt@chromium.org Minor tweak to visual bench timing

Review URL: https://codereview.chromium.org/1312903014

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#347430}

Chilledheart/chromium,Chilledheart/chromium,Chilledheart/chromium,Chilledheart/chromium,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,Chilledheart/chromium,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,Chilledheart/chromium,Chilledheart/chromium,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,Chilledheart/chromium,Chilledheart/chromium