Adds drlibc_unix.h to better separate drlibc and prevent it including os_private.h and thus pulling in tls.h and other headers related to DR execution, which incorrectly mixes target and host architectures for drdecode and drdisas.
Issue: #1684
Adds drlibc_unix.h to better separate drlibc and prevent it including os_private.h and thus pulling in tls.h and other headers related to DR execution, which incorrectly mixes target and host architectures for drdecode and drdisas.
Issue: #1684