Roll SwiftShader from 9f2ef7c8b867 to adef92e7b4c6 (3 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/9f2ef7c8b867..adef92e7b4c6

2022-04-28 capn@google.com Fix CMake build using Clang 13 compiler
2022-04-28 capn@google.com Remove 'partial precision' intrinsics
2022-04-28 capn@google.com Run the MemorySanitizer pass after optimizations

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 bclayton@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: bclayton@google.com
Change-Id: I02f620e5ac78e175ad907c838e3fc253663dd09e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88381
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -132,7 +132,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@9f2ef7c8b8675d747991f84f91aa64dbcba05aea',
+    'url': '{swiftshader_git}/SwiftShader@adef92e7b4c63b0c00300635dfbf4c37dab3c5b9',
     'condition': 'dawn_standalone',
   },