This makes it easier to ship/install these using the builtin Emacs package format (in particular, a Version is required).
Reviewed By: sammccall Differential Revision: https://reviews.llvm.org/D148918
Makes the name of this directory consistent with the names of the other directories in clang-tools-extra. Similar to r356254. No intended behavior change. Differential Revision: https://reviews.llvm.org/D59750 llvm-svn: 356897
