Roll lottie-android a974e2d8a050..4c8ec85f6820 (3 commits)

https://skia.googlesource.com/external/github.com/airbnb/lottie-android.git/+log/a974e2d8a050..4c8ec85f6820

git log a974e2d8a050..4c8ec85f6820 --date=short --first-parent --format='%ad %ae %s'
2019-12-10 gabriel@tonal.com v3.3.2-SNAPSHOT
2019-12-10 gabriel@tonal.com v3.3.1
2019-12-10 bezrukov@mercurydevelopment.com Fix opacity used in save layer (#1458)

Created with:
  gclient setdep -r lottie-android@4c8ec85f6820

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

Bug: None
Tbr: borenet@google.com
Change-Id: Icb02826479676ea67d5fb7850d029490bb9d2879
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/259237
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 eabdd82..218531b 100644
--- a/DEPS
+++ b/DEPS
@@ -7,7 +7,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'lottie_android_revision': 'a974e2d8a0504da48f135a222189b3fcf73d1071',
+  'lottie_android_revision': '4c8ec85f6820cf0134bbe6725f05c90ea0424a32',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.