Roll vulkan-deps from b71c91d6092d to 81c9a845f937 (5 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/b71c91d6092d..81c9a845f937

Changed dependencies:
* vulkan-loader: 50df6bc578..8c8619df2d
* vulkan-tools: 37a259a5b2..6b0935cece
* vulkan-validation-layers: c709c1d90e..e8815f2d1a

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

To file a bug in Dawn: https://bugs.chromium.org/p/dawn/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

Bug: None
Tbr: kainino@google.com
Change-Id: Ib2e6bd4f776cfaee7da430378da8928d7d502f4b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/126720
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

DEPS

@@ -142,7 +142,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@b71c91d6092dce1c67a02c2400e7e57c82843391',
+    'url': '{chromium_git}/vulkan-deps@81c9a845f9378b2550eb90df588fe3cf72c4b438',
     'condition': 'dawn_standalone',
   },