Roll SwiftShader from c61fc9aec162 to 3fb7084b02d7 (2 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/c61fc9aec162..3fb7084b02d7

2022-08-16 sugoi@google.com Update Marl to 2f129cf1b
2022-08-16 sugoi@google.com update-marl: run Gerrit hook on generated CLs

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 alanbaker@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: alanbaker@google.com
Change-Id: I6eec635c37ff72707dc66b61ab8bbdea38b9ed80
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/99343
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@c61fc9aec16265d4d7363a0bdba0f24f7a59cbe0',
+    'url': '{swiftshader_git}/SwiftShader@3fb7084b02d7be6955994a68db05b2fa90407bff',
     'condition': 'dawn_standalone',
   },