Roll Skia from 9ca38ff4b4c1 to 51963d3c4bb5 (1 revision)

https://skia.googlesource.com/skia.git/+log/9ca38ff4b4c1..51963d3c4bb5

2021-02-18 brianosman@google.com Remove "precision" from SkSL lexer

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

Tbr: borenet@google.com
Change-Id: I0a5f2695b08e330b9baf1be2e5b5c288d3a6ba56
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/374896
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 53b7ac4..4af733c 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
   # 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': '9ca38ff4b4c17ad116578433a23b463c3ce28401',
+  'skia_revision': '51963d3c4bb5ad50059184958c2aa2bc92aa2a99',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.