Roll SwiftShader from 161e7cb70dba to b6ddcf331865 (1 revision)

https://swiftshader.googlesource.com/SwiftShader.git/+log/161e7cb70dba..b6ddcf331865

2022-07-25 srisser@google.com Expose float preserve capability

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 enga@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: enga@google.com
Change-Id: Ifa69aeabed31c813131ba6a7a56b6b60f6276399
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/97122
Kokoro: Kokoro <noreply+kokoro@google.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -134,7 +134,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@161e7cb70dba2814b01eeff01b178b7cf7510c36',
+    'url': '{swiftshader_git}/SwiftShader@b6ddcf331865be1f46d0a47b3c00cbc19fd85da1',
     'condition': 'dawn_standalone',
   },