Roll Skia from 398c654ce7be to a4bbc9d8ec4f (1 revision)

https://skia.googlesource.com/skia.git/+log/398c654ce7be..a4bbc9d8ec4f

2020-07-30 skia-autoroll@skia-public.iam.gserviceaccount.com Roll dawn from c11a19145f1f to 03cf7c3eaeaf (14 revisions)

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/+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: borenet@google.com
Change-Id: I8fdebcd6063c5bd1985dd6c30e5d0eb269b007c3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2328294Reviewed-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@{#793040}

DEPS

@@ -195,7 +195,7 @@ 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': '398c654ce7be28edb9cbcf649e75d8b8bf1f6776',
+  'skia_revision': 'a4bbc9d8ec4f300e67f021fc48fe1fb58946354d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling V8
   # and whatever else without interference from each other.