Roll SwiftShader from 33eaf1f76b60 to 85101b9ec148 (7 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/33eaf1f76b60..85101b9ec148

2021-10-19 capn@google.com Avoid SPIR-V binary identifier clashes
2021-10-19 capn@google.com Avoid recompiling identical SPIR-V binaries
2021-10-19 capn@google.com Store the SPIR-V binary of a vk::ShaderModule in an sw::SpirvBinary
2021-10-18 sugoi@google.com Fix uninitialized memoryOwner on unused DescriptorSet
2021-10-18 sugoi@google.com Fix BC6h decoder
2021-10-18 sugoi@google.com Fix blitting of various packed formats
2021-10-18 srisser@google.com Update Vulkan headers to version 1.2.196

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 syoussefi@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: syoussefi@google.com
Change-Id: I901482bde712e84c14748436fdcb25da57df4595
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3230336
Commit-Queue: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: angle-autoroll <angle-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -491,7 +491,7 @@ deps = {
   },
 
   'third_party/SwiftShader': {
-    'url': '{swiftshader_git}/SwiftShader@33eaf1f76b60291e2391696aebee1f965b637ec5',
+    'url': '{swiftshader_git}/SwiftShader@85101b9ec1486440627d81f20e56e74a133d93f7',
     'condition': 'not build_with_chromium',
   },