Roll src/third_party/SPIRV-Tools/src 76b75c40a1e2..3855447d93eb (3 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/76b75c40a1e2..3855447d93eb


git log 76b75c40a1e2..3855447d93eb --date=short --no-merges --format='%ad %ae %s'
2019-07-22 greg@lunarg.com Bindless Instrument: Make init check depend solely on input_init_enabled (#2753)
2019-07-22 kevin.petit@arm.com Validate storage class OpenCL environment rules for atomics (#2750)
2019-07-22 51214578+jmacnak-nv@users.noreply.github.com Allow LOD ops in compute shaders with derivative group execution modes (#2752)


Created with:
  gclient setdep -r src/third_party/SPIRV-Tools/src@3855447d93eb

The AutoRoll server is located here: https://autoroll.skia.org/r/spirv-tools-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_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;luci.chromium.try:win_angle_deqp_rel_ng
TBR=radial-bots+chrome-roll@google.com,jmadill@chromium.org,jmadill@google.com

Change-Id: I38e09cd951848e766dcf97800bbb7404f9f09b85
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1714678Reviewed-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@{#679911}

DEPS

@@ -263,7 +263,7 @@ 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': '76b75c40a1e27939957e6a598292e9f32b4e98d4',
+  'spv_tools_revision': '3855447d93eb9a79723e0711b895b57ae444ce3f',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.