Add namespace info to MPD
Add namespace info to MPD

Change-Id: Ie12ebb1fef24d60ff7b8644406931a2677d7033e

leandromoreira/edash-packager,leandromoreira/edash-packager,nevil/edash-packager,leandromoreira/edash-packager,leandromoreira/edash-packager,nevil/edash-packager,nevil/edash-packager,leandromoreira/edash-packager