Roll Skia from 38688fcdba24 to cd74dfa47721 (2 revisions)

https://skia.googlesource.com/skia.git/+log/38688fcdba24..cd74dfa47721

2020-10-20 kjlubick@google.com [canvaskit] Add test harness for running all gms and getting output
2020-10-20 kjlubick@google.com [canvaskit] Make gm test wrapper not omit known pngs

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

Change-Id: I8c8a4b19dd531b01c8516a53fab0194228332094
Cq-Include-Trybots: skia/skia.primary:Housekeeper-PerCommit-InfraTests
Tbr: borenet@google.com
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/328469
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 f1a3600..7e7ee5e 100644
--- a/DEPS
+++ b/DEPS
@@ -11,7 +11,7 @@
   # 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': '38688fcdba24dcc2100b5f888c5c5a90226e2267',
+  'skia_revision': 'cd74dfa477216defe814a1aa9f238f9c20861244',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.