Roll src/third_party/glslang/src 4fa68edd6819..08a05bc2b9d1 (1 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/4fa68edd6819..08a05bc2b9d1

git log 4fa68edd6819..08a05bc2b9d1 --date=short --first-parent --format='%ad %ae %s'
2020-05-14 duke.acacia@gmail.com Move to newer version of SPIRV-Tools

Created with:
  gclient setdep -r src/third_party/glslang/src@08a05bc2b9d1

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,geofflang@chromium.org 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,geofflang@chromium.org
Change-Id: I89b29f8281e65bb06382d1e173a26992e5581cc9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2202002Reviewed-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@{#768898}

DEPS

@@ -927,7 +927,7 @@ deps = {
     Var('chromium_git') + '/codecs/libgav1.git' + '@' + '638ef84819f8b3cd614dcf63378fe4814aa4cb2a',
 
   'src/third_party/glslang/src':
-    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '4fa68edd68197a8c77779942b5d973f89c621752',
+    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '08a05bc2b9d10975a036d0c4d958cb55682f6322',
 
   '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'),