Roll skia c75bc031ef7b..ad21d47cfa8d (1 commits)

https://skia.googlesource.com/skia.git/+log/c75bc031ef7b..ad21d47cfa8d

git log c75bc031ef7b..ad21d47cfa8d --date=short --no-merges --format='%ad %ae %s'
2019-11-11 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r skia@ad21d47cfa8d

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/+/master/autoroll/README.md

Bug: None
TBR=borenet@google.com
Change-Id: I35b51e71937567900157b5c8f03aa107bec752a2
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/254118
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 371d60c..f23e26f 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': 'c75bc031ef7b695bb363fa48f20edf9f973a4419',
+  'skia_revision': 'ad21d47cfa8d9adb2145216c5e514d978d649096',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.