Roll src/third_party/skia c56c6ef:e25eea4
Roll src/third_party/skia c56c6ef:e25eea4

Summary of changes available at:
https://chromium.googlesource.com/skia/+log/c56c6ef..e25eea4

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

Commits in this roll:
e25eea4 bsalomon@google.com Use child processors to implement compose color filter.

Review URL: https://codereview.chromium.org/1373273002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#351316}

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