Roll SK Tool from 3bbeaa205257 to d2ac68f66d91

https://skia.googlesource.com/buildbot.git/+log/3bbeaa205257..d2ac68f66d91

2021-07-16 rmistry@google.com Add SkCQ for buildbot repo

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 rmistry@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: rmistry@google.com
Change-Id: I1966a278963600ac7216c7e9a1598eb00798e300
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/429143
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 556813a..a0320d2 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling different
   # dependencies without interference from each other.
-  'sk_tool_revision': 'git_revision:af23468c7173e1f17987a6aa12c41bf6b1730c60',
+  'sk_tool_revision': 'git_revision:d2ac68f66d912ffff72d6c2fe11114ab16f1771b',
 }
 
 deps = {