Roll Skia from 9ae860a9fe85 to 473a848200a6 (1 revision)

https://skia.googlesource.com/skia.git/+log/9ae860a9fe85..473a848200a6

2020-10-20 robertphillips@google.com Make GrFillRectOp::onPrePrepareDraws also call base class' version

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-skiabot-test-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

Tbr: borenet@google.com
Change-Id: Ic8ddc1b0eac037765a23b6e613d9d7f6a8c9a3ad
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/328860
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 74e7354..36b7be3 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
   # 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': '9ae860a9fe85beb4ffe6f2b67056ffa17b9a23d5',
+  'skia_revision': '473a848200a60a850accc316f59ed5ec2131bbb4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.