Roll src/third_party/SPIRV-Tools/src 5beeee15c175..a6150a3fe778 (2 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/5beeee15c175..a6150a3fe778


git log 5beeee15c175..a6150a3fe778 --date=short --no-merges --format='%ad %ae %s'
2018-11-14 stevenperron@google.com Don't assert on void function parameters. (#2047)
2018-11-14 stevenperron@google.com Instruction::GetBaseAddress to handle OpPtrAccessChain (#2050)


Created with:
  gclient setdep -r src/third_party/SPIRV-Tools/src@a6150a3fe778

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.


TBR=dsinclair@chromium.org

Change-Id: Idea0961f43f7a415cc7f644c295ff39c735c4e75
Reviewed-on: https://chromium-review.googlesource.com/c/1335834Reviewed-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@{#608070}

DEPS

@@ -224,7 +224,7 @@ 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': '5beeee15c175a15e904ad7ce3df37d1d0d55bd06',
+  'spv_tools_revision': 'a6150a3fe778f62ac85b9fc8a2547c69e7607337',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.