Roll src/third_party/swiftshader 0cd9a67ce84f..99938eab593d (8 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/0cd9a67ce84f..99938eab593d

git log 0cd9a67ce84f..99938eab593d --date=short --no-merges --format='%ad %ae %s'
2019-10-03 digit@google.com [vulkan]: Implement VkSemaphore using Marl primitives.
2019-10-02 capn@google.com Fix integer overflow in image size calculation
2019-10-02 capn@google.com Verify the commit message has a Bug: line
2019-10-02 chrisforbes@google.com Consider all faces in TextureCubeMap::hasNonBaseLevels()
2019-10-02 chrisforbes@google.com Fix edge cases of creating EGLImages from cubemap faces
2019-10-02 sugoi@google.com Strict weak ordering for SamplingRoutineCache::Key
2019-10-02 chrisforbes@google.com Fix eglCreateImageKHR error logic for level=0
2019-10-02 swiftshader.regress@gmail.com Regres: Update test lists @ 0cd9a67c

Created with:
  gclient setdep -r src/third_party/swiftshader@99938eab593d

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
TBR=swiftshader-team+autoroll@google.com

Bug: chromium:b/140421726,chromium:b/140421004,chromium:b/141892461,chromium:b/141916742,chromium:b/141916742,chromium:b/141916742
Change-Id: Ibe948614dc3ec2bbce3c3245602e69797df8b8c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1837256Reviewed-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@{#702510}

DEPS

@@ -183,7 +183,7 @@ 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': '0cd9a67ce84f0083fef7aee7e0f3a0e5e59b8053',
+  'swiftshader_revision': '99938eab593dc1d1fccb8ed715f31d9d97cbdb4e',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.