Roll SwiftShader from 7c6c7b79af8c to 4e4d2b45391f (6 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/7c6c7b79af8c..4e4d2b45391f

2022-09-07 capn@google.com Update renamed MemorySanitizer pass
2022-09-07 sugoi@google.com descriptorBindingVariableDescriptorCount support
2022-09-07 sugoi@google.com Expose descriptorIndexing support
2022-09-07 sugoi@google.com shaderSampledImageArrayNonUniformIndexing support
2022-09-07 yaroslav.isakov@gmail.com Build X11 parts only for ozone_platform_x11
2022-09-07 capn@google.com Update renamed LLVM sanitizer passes

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-dawn-autoroll
Please CC shrekshao@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 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: shrekshao@google.com
Change-Id: Iaddbc89c196b2c7d9af101b237a3d108db7f575f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/101621
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

@@ -134,7 +134,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@7c6c7b79af8c62de180a21d3f73cae9303c353cf',
+    'url': '{swiftshader_git}/SwiftShader@4e4d2b45391f209230f75d77fc8b1eeb662dea7a',
     'condition': 'dawn_standalone',
   },