Roll SwiftShader from 78491358c250 to 518c5780ac4f (4 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/78491358c250..518c5780ac4f

2022-01-27 sugoi@google.com Vulkan 1.3 API
2022-01-27 capn@google.com Add benchmarks for trigonometry and transcendental functions
2022-01-27 dvet@google.com Add affinity options to the configuration.
2022-01-27 capn@google.com Clarify the need to log into Gerrit

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-chromium-autoroll
Please CC swiftshader-eng+autoroll@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 Chromium: https://bugs.chromium.org/p/chromium/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

Cq-Include-Trybots: luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_chromium_msan_rel_ng;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel;luci.chromium.try:linux-swangle-try-x64;luci.chromium.try:win-swangle-try-x86
Bug: None
Tbr: swiftshader-eng+autoroll@google.com
Change-Id: I4ccb36c9e56f9669f9c22a735ce1be034f159f8d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3421669
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#964318}