Roll src/third_party/SPIRV-Tools/src e95fbfb1f509..4af38c49bfee (1 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/e95fbfb1f509..4af38c49bfee

git log e95fbfb1f509..4af38c49bfee --date=short --first-parent --format='%ad %ae %s'
2020-04-06 afdx@google.com spirv-fuzz: Improve support for compute shaders in donation (#3277)

Created with:
  gclient setdep -r src/third_party/SPIRV-Tools/src@4af38c49bfee

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/spirv-tools-chromium-autoroll
Please CC radial-bots+chrome-roll@google.com,jonahr@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_angle_vk32_deqp_rel_ng;luci.chromium.try:android_angle_vk32_rel_ng;luci.chromium.try:android_angle_vk64_deqp_rel_ng;luci.chromium.try:android_angle_vk64_rel_ng;luci.chromium.try:linux_angle_deqp_rel_ng;luci.chromium.try:linux-angle-rel;luci.chromium.try:win-angle-rel-32;luci.chromium.try:win-angle-rel-64;luci.chromium.try:win-angle-deqp-rel-32;luci.chromium.try:win-angle-deqp-rel-64
Bug: None
Tbr: radial-bots+chrome-roll@google.com,jonahr@google.com
Change-Id: Ia7afaf8b1f59bed26226e5ab87a81dcbda61174a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2139353Reviewed-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@{#756999}

DEPS

@@ -286,7 +286,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'spv_tools_revision': 'e95fbfb1f509ad7a7fdfb72ac35fe412d72fc4a4',
+  'spv_tools_revision': '4af38c49bfeeac536b9bf9b25be2d4bbec356972',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.