Make DRASan support the ASan interface used by LLVM 3.3 (__asan_init_v3 and friends). DR crashes on an internal assertion though...

git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@1723 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5
Derp, forgot to remove the debug printf

git-svn-id: http://address-sanitizer.googlecode.com/svn/trunk@1724 3c3640eb-14a6-2bb8-0b94-e9e73afe33f5