glslang AST -> SPIR-V: Move to new auto-generated official headers, and for the disassembler, mirror the split done between the auto-generation header database and the specification.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@30434 e7fa87d3-cd2b-0410-9028-fcbf551c1848