Roll src/third_party/skia 87e3bef6f82f..b18578549919 (2 commits)

https://skia.googlesource.com/skia.git/+log/87e3bef6f82f..b18578549919

git log 87e3bef6f82f..b18578549919 --date=short --first-parent --format='%ad %ae %s'
2020-02-07 senorblanco@chromium.org Reland "Cleanup program building a bit"
2020-02-07 michaelludwig@google.com Use DrawQuad struct to group device+local coords

Created with:
  gclient setdep -r src/third_party/skia@b18578549919

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 scroggo@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: scroggo@google.com
Change-Id: Ia43b68908f808b5fd981b1a78eb65d578f30d0cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2044376Reviewed-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@{#739451}

DEPS

@@ -171,7 +171,7 @@ 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': '87e3bef6f82f14735ec34b3467986bdb5ec42634',
+  'skia_revision': 'b18578549919af3bab8266db1bd9016b28bc3e10',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.