Roll SwiftShader from e8dd233c7a85 to a8b8ef775c75 (7 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/e8dd233c7a85..a8b8ef775c75

2020-07-17 amaiorano@google.com Fix Win32 Chromium and ANGLE builds
2020-07-17 capn@google.com Remove Travis CI and AppVeyor build badges
2020-07-17 capn@google.com Update Kokoro's clang-format to version 10
2020-07-17 amaiorano@google.com Fix MacOS Chromium build (source_set dupe)
2020-07-16 amaiorano@google.com Fix MacOS (darwin) Chromium build on LLVM 10
2020-07-16 amaiorano@google.com Added Fuchsia support to LLVM 10 update script and updated configs
2020-07-16 amaiorano@google.com Use LLVM 10 instead of 7 for GN builds

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/+doc/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: chromium:1106623
Tbr: swiftshader-team+autoroll@google.com
Change-Id: Ie251a4eea02b8ef95a16ff1e007916cb71b8fd51
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2304381Reviewed-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@{#789715}

DEPS

@@ -211,7 +211,7 @@ 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': 'e8dd233c7a85f3c689caf06c226a7f8405a480d3',
+  'swiftshader_revision': 'a8b8ef775c7539254541c5a1070ce2948ae7be5c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.