Put directories as a dir in zip output
Put directories as a dir in zip output

Summary:
Somehow the aab that is created is unable to be unzipped. Specifically
you end up with zip entries that look like this:
```
   36187  02-01-1985 00:00   base/assets/secondary-program-dex-jars/metadata.txt
        0  02-01-1985 00:00   base/assets
```
When you try and ununzip this you get a collision.

Reviewed By: mykola-semko

fbshipit-source-id: 206c393a0c87a6b53961f7476e29315213c73a96

JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck,JoelMarcey/buck