Roll src/third_party/swiftshader 73832434f8f3..0179e5eb6537 (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/73832434f8f3..0179e5eb6537


git log 73832434f8f3..0179e5eb6537 --date=short --no-merges --format='%ad %ae %s'
2019-04-13 bclayton@google.com SprivShader: Replace hand-rolled bitcount with LLVM intrinsic
2019-04-13 bclayton@google.com SprivShader: Replace hand-rolled bitreverse with LLVM intrinsic


Created with:
  gclient setdep -r src/third_party/swiftshader@0179e5eb6537

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/126873455,chromium:b/126873455
TBR=swiftshader-team+autoroll@chromium.org

Change-Id: I5137d2dbfe4dbf9b7c1ed9bc9ec5795e37ff780c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1566587Reviewed-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@{#650611}

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': '73832434f8f397693792a2740e78551a5afde2da',
+  'swiftshader_revision': '0179e5eb65370e1db4b35ec582c2fb6d253eed9d',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.