Roll src/third_party/skia a2187bf7629a..c217842bdd51 (4 commits)

https://skia.googlesource.com/skia.git/+log/a2187bf7629a..c217842bdd51


git log a2187bf7629a..c217842bdd51 --date=short --no-merges --format='%ad %ae %s'
2018-11-16 recipe-roller@chromium.org Roll recipe dependencies (trivial).
2018-11-16 michaelludwig@google.com Use vertex writer for per-edge aa; remove templated tessellate function
2018-11-16 mtklein@google.com refactor SkBitmapProcState_opts.h a bit
2018-11-16 brianosman@google.com Use GrVertexWriter in GrSmallPathRenderer


Created with:
  gclient setdep -r src/third_party/skia@c217842bdd51

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=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-chromeos-compile-dbg;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;master.tryserver.blink:linux_trusty_blink_rel
TBR=rmistry@chromium.org

Change-Id: Ia377314ee596b69ccd37e0da1857dd0df131a435
Reviewed-on: https://chromium-review.googlesource.com/c/1341008Reviewed-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@{#609059}

DEPS

@@ -116,7 +116,7 @@ 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': 'a2187bf7629af9eff9b37d99f3899e7f69d61a0d',
+  'skia_revision': 'c217842bdd51caf29138a265d390ff5f2260754f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.