Roll src/third_party/swiftshader 711867566999..20220a0b0640 (4 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/711867566999..20220a0b0640

git log 711867566999..20220a0b0640 --date=short --first-parent --format='%ad %ae %s'
2020-04-14 capn@google.com Reuse Store logic for Modf and Frexp output parameters
2020-04-14 capn@google.com Separate Operand store logic from EmitStore()
2020-04-14 capn@google.com Only store component count in Operand
2020-04-14 capn@google.com Rename size/sizeInComponents to componentCount

Created with:
  gclient setdep -r src/third_party/swiftshader@20220a0b0640

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-team+autoroll@google.com on the revert to ensure that a human
is aware of the problem.

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/+/master/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-team+autoroll@google.com
Change-Id: Ic82e6573c590e1516eb2bd3c71de496b9a69496f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2148720Reviewed-by: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#758794}

DEPS

@@ -191,7 +191,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling SwiftShader
   # and whatever else without interference from each other.
-  'swiftshader_revision': '711867566999bc34b019a4666302f990a08fd1cd',
+  'swiftshader_revision': '20220a0b0640436b659d0361a9d0789bc81d4177',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.