Roll Skia from 25a8404bd150 to 9c4c62652194 (1 revision)

https://skia.googlesource.com/skia.git/+log/25a8404bd150..9c4c62652194

2020-05-31 skia-recreate-skps@skia-swarming-bots.iam.gserviceaccount.com Update Go Deps

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 tdenniston@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/+doc/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: tdenniston@google.com
Change-Id: Ide9db0ee38655e5343912b3a5f47de5932f2e814
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2223966Reviewed-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@{#773549}

DEPS

@@ -178,7 +178,7 @@ 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': '25a8404bd150f50312daf07eb1be0290d94b4a19',
+  'skia_revision': '9c4c62652194dd3f4f269cd6c858ff0dc9f69bde',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.