Roll Skia from b9a50540ea68 to 6d2ddf1e9bdf (6 revisions)

https://skia.googlesource.com/skia.git/+log/b9a50540ea68..6d2ddf1e9bdf

2025-12-06 skia-autoroll@skia-public.iam.gserviceaccount.com Roll vulkan-deps from 1995d08ee26a to dc26c74f7350 (9 revisions)
2025-12-05 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2025-12-05 kjlubick@google.com Revert "[rust bmp] Define single action in BUILD.gn for rust targets"
2025-12-05 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2025-12-05 recipe-mega-autoroller@chops-service-accounts.iam.gserviceaccount.com Roll recipe dependencies (trivial).
2025-12-05 senorblanco@chromium.org Partially fix Graphite/Dawn build for Wasm.

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-lottie-ci-autoroll
Please CC kjlubick@google.com,skiabot@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://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: skia/skia.primary:Housekeeper-PerCommit-InfraTests
Tbr: kjlubick@google.com
Change-Id: I3c35ed1bc12322c2436513a61beeb02fbecc8d80
Reviewed-on: https://skia-review.googlesource.com/c/lottie-ci/+/1118980
Commit-Queue: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: skia-autoroll <skia-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 24548d5..817aa9b 100644
--- a/DEPS
+++ b/DEPS
@@ -11,7 +11,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.
-  'skia_revision': 'b9a50540ea68bfb132859702c7fbbd10e9bdd30b',
+  'skia_revision': '6d2ddf1e9bdf4ad35f662ad6a1fb1520f7bd7471',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling Skia
   # and whatever else without interference from each other.