Roll Skia from 768843b52f9d to 6de2e1db0311 (2 revisions)

https://skia.googlesource.com/skia.git/+log/768843b52f9d..6de2e1db0311

2021-07-09 johnstiles@google.com Add support for matrix-to-vector conversions in SkSL.
2021-07-09 bsalomon@google.com Remove detection of GL_ARB_fragment_coord_conventions

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: Ice3c7428cb84410f78c880312a455f2cf1d6fd57
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/426332
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