Roll src/third_party/skia 81c8f4b8027e..8ec90f4c93f6 (1 commits)

https://skia.googlesource.com/skia.git/+log/81c8f4b8027e..8ec90f4c93f6

git log 81c8f4b8027e..8ec90f4c93f6 --date=short --first-parent --format='%ad %ae %s'
2020-03-25 skia-autoroll@skia-public.iam.gserviceaccount.com Roll third_party/externals/swiftshader 6c11cf2ad9ca..540bdf92531d (2 commits)

Created with:
  gclient setdep -r src/third_party/skia@8ec90f4c93f6

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: I03864795c66ce29a32c0edf23a5412ef9571ac76
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2119916Reviewed-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@{#753139}

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': '81c8f4b8027e193ca168b81d2285e28f9259b2cc',
+  'skia_revision': '8ec90f4c93f698c049598349a1b4acc5356f848b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.