Roll SwiftShader from 27383fa99bbd to 4258f175b8d9 (3 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/27383fa99bbd..4258f175b8d9

2022-09-10 syoussefi@google.com Initial support for VK_EXT_pipeline_robustness
2022-09-09 sugoi@google.com Regres: Switch Vulkan CTS to the 1.3.2 branch
2022-09-09 syoussefi@google.com Add helper to find an extended struct in pNext chain

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

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
To file a bug in ANGLE: https://bugs.chromium.org/p/angleproject/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: ianelliott@google.com
Change-Id: I1e5821fabe24dd56c89704c987082d750ccab91b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3890639
Bot-Commit: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -560,7 +560,7 @@ deps = {
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@27383fa99bbdffbb2bfd29422ec198559233f09c',
+    'url': '{swiftshader_git}/SwiftShader@4258f175b8d97781d8901fb6542034c3d34ae06a',
     'condition': 'not build_with_chromium',
   },