Update SPIRV-Tools, SPIRV-Headers
-rw-r--r-- 2533 .appveyor.yml
-rw-r--r-- 379 .clang-format
-rwxr-xr-x 523 .gitattributes
-rw-r--r-- 96 .gitignore
-rw-r--r-- 4242 .travis.yml
-rw-r--r-- 3797 Android.mk
-rw-r--r-- 6551 BUILD.gn
-rw-r--r-- 4946 CMakeLists.txt
-rw-r--r-- 280 CODE_OF_CONDUCT.md
-rw-r--r-- 3899 ChooseMSVCCRT.cmake
drwxr-xr-x - External
-rwxr-xr-x 5387 LICENSE.txt
drwxr-xr-x - OGLCompilersDLL
-rw-r--r-- 5140 README-spirv-remap.txt
-rwxr-xr-x 12512 README.md
drwxr-xr-x - SPIRV
drwxr-xr-x - StandAlone
drwxr-xr-x - Test
drwxr-xr-x - build_overrides
drwxr-xr-x - glslang
drwxr-xr-x - gtests
drwxr-xr-x - hlsl
-rw-r--r-- 501 known_good.json
-rw-r--r-- 464 known_good_khr.json
-rwxr-xr-x 174 make-revision
drwxr-xr-x - ndk_test
-rwxr-xr-x 5114 update_glslang_sources.py