Roll src/third_party/swiftshader 10186cb85fd6..67cf8a9266d0 (3 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/10186cb85fd6..67cf8a9266d0


git log 10186cb85fd6..67cf8a9266d0 --date=short --no-merges --format='%ad %ae %s'
2019-05-15 sugoi@google.com 32 bit safe code
2019-05-15 chrisforbes@google.com Remove Context::separateAlphaBlendEnable etc
2019-05-15 chrisforbes@google.com Now that we have swizzles forced, don't bother with channel replacement


Created with:
  gclient setdep -r src/third_party/swiftshader@67cf8a9266d0

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/132280877,chromium:b/119620767
TBR=swiftshader-team+autoroll@google.com

Change-Id: Ic2b99c6cc0432ed6caf189e0cd9e35202d422886
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1612709Reviewed-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@{#660002}

DEPS

@@ -149,7 +149,7 @@ 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': '10186cb85fd68463067f8b0cbc59695739dbabbd',
+  'swiftshader_revision': '67cf8a9266d0a2a39f5823d67ffa50698977302b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.