Roll src/third_party/swiftshader 53c8957c337d..024f271ae0c7 (5 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/53c8957c337d..024f271ae0c7


git log 53c8957c337d..024f271ae0c7 --date=short --no-merges --format='%ad %ae %s'
2019-02-26 capn@google.com Fix fuzzer build
2019-02-26 capn@google.com Work around x86-64 calling convention bug
2019-02-26 headlessclayton@gmail.com SpirvShader: Decouple SPIR-V type attributes from object representation
2019-02-26 bclayton@google.com Strongly type object / type identifiers.
2019-02-26 chrisforbes@google.com Remove VertexProcessor::multisampling state bit


Created with:
  gclient setdep -r src/third_party/swiftshader@024f271ae0c7

The AutoRoll server is located here: https://autoroll.skia.org/r/swiftshader-chromium-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel

BUG=chromium:b/126126820,chromium:b/126126820
TBR=swiftshader-team+autoroll@chromium.org

Change-Id: I221df04b5d938a0c892b89780429ec93a9d540a0
Reviewed-on: https://chromium-review.googlesource.com/c/1488833Reviewed-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@{#635576}

DEPS

@@ -143,7 +143,7 @@ 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': '53c8957c337d1f82a0462a9860ca8a633964a9ac',
+  'swiftshader_revision': '024f271ae0c7084f1035e129f0d2139f2a302a75',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.