Fix suffixList references, return rootDirectory stat by default
Fix suffixList references, return rootDirectory stat by default

* Fix references to the old "pathList" property of a resolve result.

* Make stat() return the stat of the file system's root directory if
  the path parameter is missing.

rpaquay/axiom,umop/axiom_old_private,chromium/axiom,mcanthony/axiom,ussuri/axiom