Added builder and slave for sanitizer_x86_64-freeBSD9.2 builder.

git-svn-id: https://llvm.org/svn/llvm-project/zorg/trunk@199960 91177308-0d34-0410-b5e6-96231b3b80d8
Added missing import.

git-svn-id: https://llvm.org/svn/llvm-project/zorg/trunk@199961 91177308-0d34-0410-b5e6-96231b3b80d8