Trebuchet : Broadcast existing live folder ids

Broadcast existing live folder ids along with the EXISTING_FOLDERS_CREATED
broadcast.

Change-Id: Ie227c14d8a7d44f1d2c8e5347f8649d820694c87
Merge "Trebuchet : Broadcast existing live folder ids" into cm-10.2
Merge remote-tracking branch 'cm/cm-10.2' into cm-10.2