[Sanitizer] Adding setvbuf in supported platforms and other stream buffer functions

- Enabling setvbuf interceptions for non NetBSD platforms.
- setbuf, setbuffer, setlinebuf as well.

Reviewers: vitalybuka, krytarowski	

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D54779

llvm-svn: 347426