Roll src/third_party/glslang/src ee8e9c15222c..9e4f6d03f2f7 (10 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/ee8e9c15222c..9e4f6d03f2f7

git log ee8e9c15222c..9e4f6d03f2f7 --date=short --no-merges --format='%ad %ae %s'
2019-10-16 johnkslang@users.noreply.github.com Merge pull request #1932 from zoddicus/anotherSemiColonFix
2019-10-16 johnkslang@users.noreply.github.com Merge pull request #1934 from durswd/master
2019-10-15 johnkslang@users.noreply.github.com Merge pull request #1866 from rumblehhh/master
2019-10-15 johnkslang@users.noreply.github.com Merge pull request #1930 from ux3d/fix/CMakeOptionalExternalBuild
2019-10-15 cepheus@frii.com GLSL/SPV: Pre SPIR-V 1.5, subgroupQuadBroadcast index must be constant
2019-10-12 johnkslang@users.noreply.github.com Merge pull request #1880 from georgeouzou/master
2019-10-12 johnkslang@users.noreply.github.com Merge pull request #1928 from Xottab-DUTY/patch-1
2019-10-12 johnkslang@users.noreply.github.com Merge pull request #1926 from zoddicus/fixChromiumRoll
2019-10-11 johnkslang@users.noreply.github.com Merge pull request #1888 from Roy-AMD/Adjusting-code-interface
2019-10-11 johnkslang@users.noreply.github.com Merge pull request #1925 from greg-lunarg/kg107

Created with:
  gclient setdep -r src/third_party/glslang/src@9e4f6d03f2f7

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/glslang-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

TBR=radial-bots+chrome-roll@google.com,jmadill@google.com

Bug: None
Change-Id: I3d0e77f6c08b064a99949946d1919ffde8065191
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1865581Reviewed-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@{#706658}

DEPS

@@ -956,7 +956,7 @@ deps = {
   },
 
   'src/third_party/glslang/src':
-    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + 'ee8e9c15222c2aff93dfea451b1e8a892497ec2d',
+    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '9e4f6d03f2f7e13576502088a095fe7bfee2a98e',
 
   'src/third_party/google_toolbox_for_mac/src': {
       'url': Var('chromium_git') + '/external/github.com/google/google-toolbox-for-mac.git' + '@' + Var('google_toolbox_for_mac_revision'),