Roll skia 3f4490245027..f9fb21eb72b1 (1 commits)

https://skia.googlesource.com/skia.git/+log/3f4490245027..f9fb21eb72b1

git log 3f4490245027..f9fb21eb72b1 --date=short --no-merges --format='%ad %ae %s'
2019-09-11 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

Created with:
  gclient setdep -r skia@f9fb21eb72b1

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/+/master/autoroll/README.md

CQ_INCLUDE_TRYBOTS=skia.primary:Housekeeper-PerCommit-InfraTests

Bug: None
Change-Id: Ie95edd1bb1a129d369b7d0cbbe480268c1ee8f2e
TBR=borenet@google.com
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/240766
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 5dbcc1f..b2cc966 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': '3f4490245027c53a2cfe3816b449298ea6906ff7',
+  'skia_revision': 'f9fb21eb72b1a5679c3136ace8baa982a188c867',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.