Roll skia 8c1e265f6f81..4d0fe38f2938 (1 commits)

https://skia.googlesource.com/skia.git/+log/8c1e265f6f81..4d0fe38f2938

git log 8c1e265f6f81..4d0fe38f2938 --date=short --no-merges --format='%ad %ae %s'
2019-11-08 mtklein@google.com Pre-flight SkTLS_pthread changes for C++17

Created with:
  gclient setdep -r skia@4d0fe38f2938

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-lottie-ci-autoroll
Please CC borenet@google.com on the revert to ensure that a human
is aware of the problem.

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

CQ_INCLUDE_TRYBOTS=skia.primary:Housekeeper-PerCommit-InfraTests

Bug: None
Change-Id: Ib9ce49b962a7b7eba9c9c9399aa96a064386efcf
TBR=borenet@google.com
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/253660
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 4fad981..5c59932 100644
--- a/DEPS
+++ b/DEPS
@@ -11,7 +11,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': '8c1e265f6f8145ec0638fc78d4821bde8e7956c5',
+  'skia_revision': '4d0fe38f29388ef0aa6893d1d4fc237e758dd11f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.