Roll vulkan-deps from 6d4e78fa7f02 to 2d9abfbddc1b (3 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/6d4e78fa7f02..2d9abfbddc1b

Changed dependencies:
* vulkan-loader: f24a0c67fc..42d5db3f59
* vulkan-validation-layers: 7fd238fff6..09227446c8

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 lokokung@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: lokokung@google.com
Change-Id: Ia4f3679f2dd08fb0b4925dae551d96b71a76660e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/83280
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -138,7 +138,7 @@ deps = {
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@6d4e78fa7f024b6f63fe622f7dd99ac7c7429b0a',
+    'url': '{chromium_git}/vulkan-deps@2d9abfbddc1b677f2b14a179b9d71fae729630e0',
     'condition': 'dawn_standalone',
   },