tree 23dccc1d0c0b0c650aaa09458c9a48e0d307cea2
parent 9f18fe7807a4e4089778243dbbd08d154ec15540
author Jeff Sharkey <jsharkey@android.com> 1428208739 -0700
committer Jeff Sharkey <jsharkey@android.com> 1428208806 -0700

Add back "unmountable" volume state.

Also automatically unmount when format is requested.

Bug: 19993667
Change-Id: I2c81b7ccc9d69df61d7ae4df1e8224c02f260044