This updates glslang to commit 9bb8cfffb0eed010e07132282c41d73064a7a609
which is the current version listed in the known_good.json file for the
version 1.3.212 of the Vulkan-ValidationLayers repo.
This updates glslang to commit 4fc7a33910fb8e40b970d160e1b38ab3f67fe0f3
which is the current version listed in the known_good.json file for the
version 1.2.131.2 of the Vulkan-ValidationLayers repo.