Roll vulkan-deps from d1b842fca80d to 70b3eb7a5ab4 (4 revisions)

https://chromium.googlesource.com/vulkan-deps.git/+log/d1b842fca80d..70b3eb7a5ab4

Changed dependencies:
* spirv-headers: b8047fbe45..b42ba6d92f
* vulkan-validation-layers: f79e0540ff..f7828a52f1

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 bclayton@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: bclayton@google.com
Change-Id: I63b87f881ba0747f7d28ec2e30a17a219ebca5b1
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/77280
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@d1b842fca80dddd1a098bf63813386e3e44f9642',
+    'url': '{chromium_git}/vulkan-deps@70b3eb7a5ab40c0e3aa7c7ad5162d220fcaaa8ce',
     'condition': 'dawn_standalone',
   },