Initial support for recursing into the new clang-tools-extra repository
if checked out under clang/tools/extra.

This is mostly so folks other than me can start to test. Documentation,
details, and an announcement are still in the works.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@161405 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed