Roll Skia from 6aaf00fa7e4c to 3cf050bba6b6 (4 revisions)

https://skia.googlesource.com/skia.git/+log/6aaf00fa7e4c..3cf050bba6b6

2021-07-13 jlavrova@google.com Fixing placeholder position
2021-07-13 jvanverth@google.com Use attachment in GrMtlTexture rather than raw id<MTLTexture>.
2021-07-13 michaelludwig@google.com Check hairline after resolving edge flags
2021-07-13 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).

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: Id803d758c7752f93698c19ca0763935981469e0d
Reviewed-on: https://skia-review.googlesource.com/c/skiabot-test/+/427678
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