Roll src/third_party/swiftshader 2eae4389fbdf..30d3c8afe19c (1 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/2eae4389fbdf..30d3c8afe19c

git log 2eae4389fbdf..30d3c8afe19c --date=short --no-merges --format='%ad %ae %s'
2019-09-25 chrisforbes@google.com Slim down ROP handling for various formats

Created with:
  gclient setdep -r src/third_party/swiftshader@30d3c8afe19c

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: None
Change-Id: I269de0f707b1778cefc94e3e8bbe40ee3eb2f047
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1825896Reviewed-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@{#700037}

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': '2eae4389fbdf1914385106513973a00960b0e6e2',
+  'swiftshader_revision': '30d3c8afe19c6e741fd084c82d4f0d3425a210e4',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.