Roll src/third_party/SPIRV-Tools/src dd3d91691f1e..7a8f79762c4a (4 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/dd3d91691f1e..7a8f79762c4a

git log dd3d91691f1e..7a8f79762c4a --date=short --first-parent --format='%ad %ae %s'
2020-03-13 vasniktel@gmail.com Update dependencies (#3228)
2020-03-12 greg@lunarg.com Instrument: Debug Printf support (#3215)
2020-03-12 vasniktel@gmail.com spirv-fuzz: Support OpPhi when adding dead break and continue (#3225)
2020-03-12 afdx@google.com spirv-fuzz: Fix vector width issue in 'add equation instructions' pass (#3223)

Also rolling transitive DEPS:
  src/third_party/spirv-headers/src dc77030acc9c..30ef660ce2e6

Created with:
  gclient setdep -r src/third_party/SPIRV-Tools/src@7a8f79762c4a

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,jmadill@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,jmadill@google.com
Change-Id: I4edbebbb32b73fe2bd61142d3f8b1197478817a9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2104701Reviewed-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@{#750495}

DEPS

@@ -286,11 +286,11 @@ 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': 'dd3d91691f1e1dc4c0f42818756cf5e165c8918c',
+  'spv_tools_revision': '7a8f79762c4aafa8679cc653f21995ffa3a5dcd2',
   # 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': 'dc77030acc9c6fe7ca21fff54c5a9d7b532d7da6',
+  'spv_headers_revision': '30ef660ce2e666f7ae925598b8a267f4da6d33aa',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.