Store the ninja log and deps in ninja_dir
Store the ninja log and deps in ninja_dir

The local directory isn't necessarily writable.

colincross/kati,colincross/kati,shinh/kati,shinh/kati,colincross/kati,danw/kati,danw/kati,shinh/kati,google/kati,danw/kati,google/kati,shinh/kati,danw/kati,danw/kati,shinh/kati,google/kati,google/kati,google/kati,shinh/kati,colincross/kati,colincross/kati,colincross/kati,danw/kati