Roll SK Tool from cf1c3632ad54 to c0cf9855d48e
Roll SK Tool from cf1c3632ad54 to c0cf9855d48e

https://skia.googlesource.com/buildbot.git/+log/cf1c3632ad54..c0cf9855d48e

2022-04-08 b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com Remove auth.NewDefaultLegacyTokenSource and auth.NewLegacyTokenSource.
2022-04-08 kjlubick@google.com [gazelle] Add support for absolute labels

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/sk-tool-skia
Please CC b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry

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: b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com
Change-Id: I89e2788ed8fd79d13266d5bbfaaeb70f96040a87
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/528797
Commit-Queue: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia