Roll src/third_party/swiftshader 5f1b4c0ba92e..5a5ffe52a944 (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/5f1b4c0ba92e..5a5ffe52a944

git log 5f1b4c0ba92e..5a5ffe52a944 --date=short --no-merges --format='%ad %ae %s'
2019-09-11 capn@google.com Update link to dEQP repository
2019-09-11 capn@google.com Fix OpenGL/EGL entry function calling convention

Created with:
  gclient setdep -r src/third_party/swiftshader@5a5ffe52a944

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/137875321,chromium:b/140700303
Change-Id: Idfa6f95ef7341f1b02c7ee017af3f904bf385df0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1797492Reviewed-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@{#695757}

DEPS

@@ -178,7 +178,7 @@ 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': '5f1b4c0ba92e3b37ba64b9a9dd4d6e03c37cac19',
+  'swiftshader_revision': '5a5ffe52a944a4068f2297ec404b7b5e9a9b9e03',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.