Roll Skia from 4c0b9b90d63a to e8a1c0150b05 (1 revision)

https://skia.googlesource.com/skia.git/+log/4c0b9b90d63a..e8a1c0150b05

2021-02-20 jvanverth@google.com Revert "Remove ARC from tools lib."

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: I4186b6a9767c9c4901242f74c974e4cd65392602
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/375636
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 bb0992d..9ce6216 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': '4c0b9b90d63a155a7137dd1ebe08f74222051fb6',
+  'skia_revision': 'e8a1c0150b056ada9006c4774facbc36e86d4753',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.