Roll src/third_party/swiftshader ea66320c09bd..080904627d71 (5 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/ea66320c09bd..080904627d71

git log ea66320c09bd..080904627d71 --date=short --first-parent --format='%ad %ae %s'
2020-04-17 digit@google.com CMakeLists: Fix Fuchsia build.
2020-04-17 bclayton@google.com Merge changes Ia8226c11,If413b9d6
2020-04-17 bclayton@google.com LLVMReactor: Drop codegenMutex, now thread safe.
2020-04-17 bclayton@google.com LLVMJIT: Remove the TargetMachine cache.
2020-04-17 bclayton@google.com LLVM 7: Set LLVM_ENABLE_THREADS to 1

Created with:
  gclient setdep -r src/third_party/swiftshader@080904627d71

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: I8992da0069be04f150dca569eae4426f67dafcd8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2154809Reviewed-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@{#760127}

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': 'ea66320c09bda5e9e6e27da0234c3463ddcdab46',
+  'swiftshader_revision': '080904627d718c65b4e4fb7cb2a6b77143ad587c',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.