Fill in details for VVM sync and activation.

- Save new voicemail locally
- Query for local changes to be synced to the server
- Save IMAP credentials to sync account "userData" bundle

At this point, the activation stage except for the activate SMS
and all data sync links except for IMAP will be complete.

Bug: 19236241

Change-Id: I51fbd88c244948fb48f9626c4265a1d308bcac3a
4 files changed