Roll src/third_party/skia 8364706c02c6..b423247bc239 (6 commits)

https://skia.googlesource.com/skia.git/+log/8364706c02c6..b423247bc239


git log 8364706c02c6..b423247bc239 --date=short --no-merges --format='%ad %ae %s'
2018-07-18 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-07-18 skia-bookmaker@skia-swarming-bots.iam.gserviceaccount.com Update markdown files
2018-07-18 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-07-18 bungeman@google.com Revert "Reland "Add some optimizations to PolyUtils""
2018-07-18 bungeman@google.com Revert "Add kAAHairline to GpuPathRenderers"
2018-07-18 herb@google.com Redo drawTextRSXForm for glyph runs


Created with:
  gclient setdep -r src/third_party/skia@b423247bc239

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

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=bungeman@chromium.org

Change-Id: Icb0154d88fbbf49e2a373da2a1328276c4b344dc
Reviewed-on: https://chromium-review.googlesource.com/1142904Reviewed-by: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: skia-chromium-autoroll <skia-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#576366}

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': '8364706c02c6ad33637132ff126a48011e4d8b13',
+  'skia_revision': 'b423247bc2395e0f0172369078cdb227ae99c7a8',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.