filament/third_party/glslang/tnt

To update glslang use the following steps:

• Download a ZIP of the glslang repository into third_party/glslang.
• Run the following commands (on Mac) to unzip and copy the new source files:

cd third_party
curl -L https://github.com/KhronosGroup/glslang/archive/8a6b381c9afbfaf9fff851582539fab15ea480c0.zip > main.zip
unzip main.zip
rsync -r glslang-8a6b381c9afbfaf9fff851582539fab15ea480c0/ glslang/ --delete
rm -r main.zip glslang-8a6b381c9afbfaf9fff851582539fab15ea480c0
rm -rf glslang/Test/
git checkout main glslang/tnt glslang/glslang/tnt glslang/SPIRV/tnt
git restore glslang/LICENSE
git add glslang

• If necessary, add or remove source files from glslang/glslang/tnt/CMakeLists.txt et al.
• If necessary, update the DefaultTBuiltInResource definition inside libs/filamat/src/sca/builtinResource.h to glslang's located at third_party/glslang/StandAlone/ResourceLimits.cpp
• Compile and test matc