Roll SPIRV-Tools from 8e1380996d6a to 13a65b1aee42 (4 revisions)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/8e1380996d6a..13a65b1aee42

2020-08-11 alanbaker@google.com Only validation locations for appropriate execution models (#3656)
2020-08-11 andreperezmaselco.developer@gmail.com spirv-fuzz: Fix in operand type assertion (#3666)
2020-08-11 andreperezmaselco.developer@gmail.com spirv-opt: Add spvOpcodeIsAccessChain (#3682)
2020-08-11 vasniktel@gmail.com spirv-fuzz: FuzzerPassPropagateInstructionsUp (#3478)

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,ynovikov@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/+doc/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
Tbr: radial-bots+chrome-roll@google.com,ynovikov@google.com
Change-Id: Ic4b47cb923d7bb3dad5bc89bf0b77f2486747adf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2351868Reviewed-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@{#797175}

DEPS

@@ -302,7 +302,7 @@ 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': '8e1380996d6ac04403fd9c4ec742dfe769db3d2f',
+  'spv_tools_revision': '13a65b1aee425a97b9ca73d81212d99fd2bf9227',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.