Move GLES20 source into standard locations
Move Khronos headers into their respective components, to be exported by each.
Remove hostthreadadapter as nothing outside of the vghwapiwrapper, which now contains the code, needs it
#ifndef _SCHNLSP_H
#define _SCHNLSP_H
#if __GNUC__ >=3
#pragma GCC system_header
#endif
#define SECPKG_ATTR_SUPPORTED_ALGS 86
#define SECPKG_ATTR_CIPHER_STRENGTHS 87
#define SECPKG_ATTR_SUPPORTED_PROTOCOLS 88
#include <schannel.h>
#endif /* _SCHNLSP_H */