Roll Skia from 3b31f68d2b1a to 7142e4053415 (1 revision)

https://skia.googlesource.com/skia.git/+log/3b31f68d2b1a..7142e4053415

2021-02-23 johnstiles@google.com Fix SPIR-V code generation when unreachable code exists.

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: I90c834c9dc04b97c080b6cdd0819618227be96ed
Cq-Include-Trybots: skia/skia.primary:Housekeeper-PerCommit-InfraTests
Tbr: borenet@google.com
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/374397
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 a6999ac..fac3b80 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': '3b31f68d2b1aa8399ea905f66f2b3fe377d808cc',
+  'skia_revision': '7142e4053415891a00312414d8909ef381f45686',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.