Roll glslang from e8c9fd602f11 to 29c9135d06f1 (1 revision)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/e8c9fd602f11..29c9135d06f1

2020-07-07 johnkslang@users.noreply.github.com Merge pull request #2328 from zoddicus/fixBUILDgn

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,syoussefi@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/+doc/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
Tbr: radial-bots+chrome-roll@google.com,syoussefi@google.com
Change-Id: If52c8ec20337ef3d657b9af01f1d81d8d06b6682
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2285205Reviewed-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@{#785939}

DEPS

@@ -927,7 +927,7 @@ deps = {
     Var('chromium_git') + '/codecs/libgav1.git' + '@' + 'bf190c43e5c7cc81751867c917a81bc2920be079',
 
   'src/third_party/glslang/src':
-    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + 'e8c9fd602f11d746fa251ef6bf445057a58e5d56',
+    Var('chromium_git') + '/external/github.com/KhronosGroup/glslang.git' + '@' + '29c9135d06f12628e3161e4aa751610c5941d8d6',
 
   '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'),