Roll skia b30d4812c76e..4135cf0b57c2 (1 commits)

https://skia.googlesource.com/skia.git/+log/b30d4812c76e..4135cf0b57c2

git log b30d4812c76e..4135cf0b57c2 --date=short --no-merges --format='%ad %ae %s'
2019-11-08 mtklein@google.com use round() instead of trunc() to f32->unorm

Created with:
  gclient setdep -r skia@4135cf0b57c2

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/+/master/autoroll/README.md

Bug: None
TBR=borenet@google.com
Change-Id: Id3052c79289f12e3e174595c6ac89c96b53a8d7c
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/253816
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 5b31e7d..f505d83 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': 'b30d4812c76e7094c471ea3f2b07c1cf99786936',
+  'skia_revision': '4135cf0b57c2ef71b60ecf973d93eab37032f4f7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.