tree 3f3ae2918f923290682523bcb831feef130ffa41
parent f8f2e334ac3ec95ef0155660c36648f5f679f883
author Ben Kwa <kenobi@google.com> 1442857792 -0700
committer Ben Kwa <kenobi@google.com> 1442953491 -0700

Restore more missing DirectoryFragment functionality.

- Add a material-style horizontal progress bar to DocumentsUI.  This
  replaces the old loading footer.
- Restore the view-switching code that displayed a dedicated "empty"
  view when displaying an empty directory.
- Fix tests.

Change-Id: Ifecb867f6edecbdeb37b8607d87d9797879a589d