tree f1792d1d9294f0b40d74874e50350376ce1abfdd
parent 66a320d368e93a03d5aee33eac85807a227c0a3c
author Daichi Hirono <hirono@google.com> 1454825836 +0900
committer Daichi Hirono <hirono@google.com> 1455123562 +0000

Keep metadata of documents as disconnected status after the device is
disconnected.

To restore Document IDs when the device is reconnected, we need to keep
the metadata in database so that we can use it as hint to remap document
ID with new MTP IDs.

BUG=26212981

Change-Id: Idcc93c41c09d082a709281022c56188dabc80515
(cherry picked from commit 53f5af3f2ba1328d301a0f8a4ae3f574ccc5da65)