Roll vulkan-deps from 735a7bd2eec1 to 9946e44cc7dd (4 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/735a7bd2eec1..9946e44cc7dd

Changed dependencies:
* spirv-tools: https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/80bc99c3d4..e5fcb7facf
* vulkan-validation-layers: https://chromium.googlesource.com/external/github.com/KhronosGroup/Vulkan-ValidationLayers.git/+log/a8a721e307..db548f2746

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 alanbaker@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://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

Bug: None
Tbr: alanbaker@google.com
Change-Id: I8e359996095d62b37f2669cead385a67abe20967
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/172200
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>
diff --git a/DEPS b/DEPS
index 0aa0288..da463b8 100644
--- a/DEPS
+++ b/DEPS
@@ -182,7 +182,7 @@
   },
 
   'third_party/vulkan-deps': {
-    'url': '{chromium_git}/vulkan-deps@735a7bd2eec194686b608578ac1947268615288e',
+    'url': '{chromium_git}/vulkan-deps@9946e44cc7dd69072f8ac27a044da60552c8ffc0',
     'condition': 'dawn_standalone',
   },
 
diff --git a/third_party/vulkan-deps b/third_party/vulkan-deps
index 735a7bd..9946e44 160000
--- a/third_party/vulkan-deps
+++ b/third_party/vulkan-deps
@@ -1 +1 @@
-Subproject commit 735a7bd2eec194686b608578ac1947268615288e
+Subproject commit 9946e44cc7dd69072f8ac27a044da60552c8ffc0