Roll src/third_party/swiftshader 34c59c9b88b7..5e4e8b0af5fa (2 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/34c59c9b88b7..5e4e8b0af5fa

git log 34c59c9b88b7..5e4e8b0af5fa --date=short --no-merges --format='%ad %ae %s'
2019-08-13 bclayton@google.com Add Visual Studio CMakeSettings.json file
2019-08-13 bclayton@google.com Reactor: Add self() method to LValue<T> and Array<T>

Created with:
  gclient setdep -r src/third_party/swiftshader@5e4e8b0af5fa

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/139189696,chromium:b/133213304
Change-Id: Ib842c1ab0b88bd73aa0da91edf7fd79b1e36775b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1751749Reviewed-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@{#686530}

DEPS

@@ -161,7 +161,7 @@ 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': '34c59c9b88b76564cf534aad2f0033a472182d87',
+  'swiftshader_revision': '5e4e8b0af5fa0b00de29c77ecf56014e409b53c0',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling PDFium
   # and whatever else without interference from each other.