Roll src/third_party/swiftshader 7d9a748e1f57..acf12f1c3fee (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/7d9a748e1f57..acf12f1c3fee


git log 7d9a748e1f57..acf12f1c3fee --date=short --no-merges --format='%ad %ae %s'
2019-04-13 bclayton@google.com Kokoro: Disable Vulkan tests for Subzero.
2019-04-13 bclayton@google.com Kokoro: Add stub (noop) test files for macOS.


Created with:
  gclient setdep -r src/third_party/swiftshader@acf12f1c3fee

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/130343040,chromium:b/130343040
TBR=swiftshader-team+autoroll@chromium.org

Change-Id: I43c5ad953f70983cd01b669b6df5911d7ab735cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1566853Reviewed-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@{#650582}

DEPS

@@ -145,7 +145,7 @@ 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': '7d9a748e1f57e4c694ad3c8b0a88ddc748c5970c',
+  'swiftshader_revision': 'acf12f1c3fee52860474032a5e3e646fc6aaa1c0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.