Roll src/third_party/swiftshader 02d4c0d38ea1..243997ac5d09 (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/02d4c0d38ea1..243997ac5d09

git log 02d4c0d38ea1..243997ac5d09 --date=short --no-merges --format='%ad %ae %s'
2019-08-22 capn@google.com Don't access sampler handles for sampled image descriptors
2019-08-22 capn@google.com Fix samplerless image fetch

Created with:
  gclient setdep -r src/third_party/swiftshader@243997ac5d09

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
TBR=swiftshader-team+autoroll@google.com

Bug: chromium:b/139401791,chromium:b/139401791
Change-Id: I95db1ceb4f2a85e4db040efa6a10695c9168a240
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1766168Reviewed-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@{#689630}

DEPS

@@ -163,7 +163,7 @@ 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': '02d4c0d38ea1c806fc0e5d65f18a384b8ea74ad4',
+  'swiftshader_revision': '243997ac5d0929016fc56bbe42759f32c6b0e5ca',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.