Roll src/third_party/glslang/src 7662586844f4..b131630e7c74 (1 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/7662586844f4..b131630e7c74

git log 7662586844f4..b131630e7c74 --date=short --no-merges --format='%ad %ae %s'
2019-10-25 johnkslang@users.noreply.github.com Merge pull request #1948 from greg-lunarg/kg108

Created with:
  gclient setdep -r src/third_party/glslang/src@b131630e7c74

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,jonahr@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,jonahr@google.com

Bug: None
Change-Id: I8b72716cca8d5fad9825858feecfce282d13555d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1880380Reviewed-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@{#709362}

DEPS

@@ -984,7 +984,7 @@ deps = {
   },
 
   'src/third_party/glslang/src':
-    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '7662586844f46f8f454f1db4a26e1d705a302e36',
+    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + 'b131630e7c749a5dc19faa458024260c71fb170f',
 
   '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'),