[tests] Change with_system_lib feature to match what XFAIL lines expect.
[tests] Change with_system_lib feature to match what XFAIL lines expect.

 - The lit builtin XFAIL handling is more restrictive than what we were
   previously using, and for now I'd rather keep the lit one restrictive.

git-svn-id: 273b07cebdae5845b4a75aae04570b978db9eb50@189692 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx