Roll skia 7321e6a0abd3..a4f1391bb929 (1 commits)

https://skia.googlesource.com/skia.git/+log/7321e6a0abd3..a4f1391bb929

git log 7321e6a0abd3..a4f1391bb929 --date=short --first-parent --format='%ad %ae %s'
2019-12-03 fmalita@chromium.org Reland "[skottie] Remove defensive seek(0) from Animation ctor"

Created with:
  gclient setdep -r skia@a4f1391bb929

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

TBR=borenet@google.com

Cq-Include-Trybots: skia/skia.primary:Housekeeper-PerCommit-InfraTests
Bug: None
Change-Id: Icc1b6fdce7b1ea71ee73214a53e7a489bc994ae8
Tbr: borenet@google.com
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/257673
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 d9675ce..9c9c06c 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': '7321e6a0abd3e989aaaacdc81ec369c5fc2421b5',
+  'skia_revision': 'a4f1391bb9297734efd4d0219bd3f2442320614a',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.