Roll Skia from dfec4f98ef91 to 6789b8240153 (1 revision)

https://skia.googlesource.com/skia.git/+log/dfec4f98ef91..6789b8240153

2021-07-15 jvanverth@google.com Fix directional shadows.

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/main/autoroll/README.md

Tbr: borenet@google.com
Change-Id: Id37fbb7f6d85fd80e75557404add30f9a1a37bbf
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/428939
Reviewed-by: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
1 file changed