Roll src/third_party/SPIRV-Tools/src 3a762d54f649..527a689307a4 (5 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/3a762d54f649..527a689307a4

git log 3a762d54f649..527a689307a4 --date=short --no-merges --format='%ad %ae %s'
2019-09-24 alanbaker@google.com Remove validate_datarules.cpp (#2911)
2019-09-24 stevenperron@google.com Handle extract with no indexes (#2910)
2019-09-24 ehsannas@gmail.com Add Bazel build configuration. (#2891)
2019-09-24 stevenperron@google.com Handle id overflow in convert local access chains (#2908)
2019-09-24 dsinclair@google.com Add OpCopyMemory test to SVA. (#2885)

Created with:
  gclient setdep -r src/third_party/SPIRV-Tools/src@527a689307a4

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/+/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

Bug: None
Change-Id: I5dd3b40bb0559e40839e3f9de499fa28bce0872f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1824652Reviewed-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@{#699704}

DEPS

@@ -281,7 +281,7 @@ 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': '3a762d54f649c756e6b4c25957d11bd0a9d71c1c',
+  'spv_tools_revision': '527a689307a4c15a0a910007327783a1435ac101',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.