Roll src/third_party/skia 189c98042f16..db80f6936cbc (5 commits)

https://skia.googlesource.com/skia.git/+log/189c98042f16..db80f6936cbc

git log 189c98042f16..db80f6936cbc --date=short --no-merges --format='%ad %ae %s'
2019-11-22 ethannicholas@google.com SkSL now supports functions defined in sksl_gpu.inc
2019-11-22 reed@google.com Revert "Reland "Revert "Use flat version of path-direction enum"""
2019-11-22 robertphillips@google.com Add utility for creating test-only GrProgramInfos
2019-11-22 kjlubick@google.com [skolo] Remove internal hardware 2
2019-11-22 reed@google.com remove LEGACY_CONVEXITY code -- no more clients

Created with:
  gclient setdep -r src/third_party/skia@db80f6936cbc

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-autoroll
Please CC robertphillips@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: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux-blink-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
Bug: None
Tbr: robertphillips@google.com
Change-Id: I47ad424c55b5b2bd771607d88ad8f64aaea09fec
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1931269Reviewed-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@{#718294}

DEPS

@@ -172,7 +172,7 @@ 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': '189c98042f165a9f8e3db01a95b2bfa197efe337',
+  'skia_revision': 'db80f6936cbca34496d87c6754167a11286f9c0c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.