Roll SPIRV-Tools from 8bc27a1cfbc1 to 5fd92a7e0c84 (5 revisions)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/8bc27a1cfbc1..5fd92a7e0c84

2020-08-05 jaebaek@google.com OpenCL.DebugInfo.100 DebugTypeArray with variable size (#3549)
2020-08-05 andreperezmaselco.developer@gmail.com spirv-opt: Improve the code of the Instruction class (#3610)
2020-08-05 vasniktel@gmail.com spirv-fuzz: Handle OpPhis in livesafe functions (#3642)
2020-08-05 vasniktel@gmail.com spirv-fuzz: Handle OpPhi during constant obfuscation (#3640)
2020-08-05 vasniktel@gmail.com spirv-fuzz: Fix FuzzerPassCopyObjects (#3638)

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,geofflang@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,geofflang@google.com
Change-Id: I68882922b1ce41aa0ad6b3ae2d1cd3437e3c9cc4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2340575Reviewed-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@{#795392}

DEPS

@@ -302,11 +302,11 @@ 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': '8bc27a1cfbc19a9fb0cf244fab693ad8909659e5',
+  'spv_tools_revision': '5fd92a7e0c849229e042676d183cada18b006f01',
   # 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_headers_revision': '3fdabd0da2932c276b25b9b4a988ba134eba1aa6',
+  'spv_headers_revision': '5538bf4386f19e42072bf8c2dfc3acf8d0196f3b',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.