Roll Skia from 516c1ce3d4c5 to 048b5a2967a8 (2 revisions)

https://skia.googlesource.com/skia.git/+log/516c1ce3d4c5..048b5a2967a8

2021-05-04 johnstiles@google.com Transform verts using nonsquare matrices when available.
2021-05-04 reed@google.com Split some helpers into separate js file

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: I4ce2b58eb38b11f3c2ee3e9f113810d6f5e75325
Cq-Include-Trybots: skia/skia.primary:Housekeeper-PerCommit-InfraTests
Tbr: borenet@google.com
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/404183
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 14cf223..eb3029c 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': '516c1ce3d4c501a42ffb3e9a1fbc491a5a4fe737',
+  'skia_revision': '048b5a2967a857f50d8404f20aa417f05ee565ae',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.