ABI-Testsuite: Added coll directory

git-svn-id: http://llvm.org/svn/llvm-project/test-suite/trunk@214978 91177308-0d34-0410-b5e6-96231b3b80d8
ABI-Testsuite: Added FAQ

git-svn-id: http://llvm.org/svn/llvm-project/test-suite/trunk@215470 91177308-0d34-0410-b5e6-96231b3b80d8