Roll src/third_party/skia 1d6281d4bb47..0191ed8e87dc (2 commits)

https://skia.googlesource.com/skia.git/+log/1d6281d4bb47..0191ed8e87dc


git log 1d6281d4bb47..0191ed8e87dc --date=short --no-merges --format='%ad %ae %s'
2018-09-18 mtklein@google.com Make listener lists threadsafe with a mutex.
2018-09-18 bsalomon@google.com Fix image_from_yuv_textures with --preAbandonContext


Created with:
  gclient setdep -r src/third_party/skia@0191ed8e87dc

The AutoRoll server is located here: https://autoroll.skia.org/r/skia-autoroll

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel;luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=reed@chromium.org

Change-Id: Ia9c7909443e6e1be2a567f0fb6de73a525569fe2
Reviewed-on: https://chromium-review.googlesource.com/1231275Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#592098}

DEPS

@@ -105,7 +105,7 @@ vars = {
   # 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': '1d6281d4bb47510754f2c821482ee120c91bd438',
+  'skia_revision': '0191ed8e87dca709c1248a685248e0a694bce80a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.