Roll src/third_party/skia c15afe488bfa..28b0c5d4b3bb (3 commits)

https://skia.googlesource.com/skia.git/+log/c15afe488bfa..28b0c5d4b3bb

git log c15afe488bfa..28b0c5d4b3bb --date=short --first-parent --format='%ad %ae %s'
2019-12-20 michaelludwig@google.com Pass Arenas* to GrOpsTask and GrOps instead of multiple pointers to each pool type
2019-12-20 csmartdalton@google.com Shorten argument lists in GrMesh::SendToGpuImpl
2019-12-20 reed@google.com move clip-stencil function into GpuDevice

Created with:
  gclient setdep -r src/third_party/skia@28b0c5d4b3bb

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 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: 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: borenet@google.com
Change-Id: Ia8ef4a6a9bb4f3e6e29e6313843958ad5e67e760
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1979152Reviewed-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@{#726968}

DEPS

@@ -175,7 +175,7 @@ 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': 'c15afe488bfa692f1a9c8fef371653646057a12a',
+  'skia_revision': '28b0c5d4b3bbb6958876b2710cc90297ff981798',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.