Fix drawable state to correctly show dimmed disabled state. Update
disabled state for all children to grey out text.
Block multi-selection of documents not matching MIME filter. Load
thumbnails in parallel. Show thumbnails in list mode based on MIME
type to match spec.
Give each footer a unique view type to avoid recycler crashes.
Show breadcrumb icons in recent create paths. Fix timestamp bug when
querying/updating recent paths.
Make ContentProviderClient.closeQuietly() really be quiet.
Bug: 10668364, 10510022, 10668701, 10534224, 10667726
Change-Id: I3c705412fb211519f15ad41a273a7533b878e9e5
3f4c205fd3