Add progress and cell_name into notifications

When the instance DB record is updated, we send notifications. To make
those more useful, I have added in cell_name and progress. These fields
where added after the initial notifications were added.

Change-Id: I3bc770e3b8f211c27e5e4aadd1819507d643cc75
Closes-Bug: #1366758
Merge "Add progress and cell_name into notifications"