obexd: Change MessageAccess.GetFolderListing to not return raw xml
obexd: Change MessageAccess.GetFolderListing to not return raw xml

This parses the response and return as a list of dictionary where each
entry is a folder and its properties, similar to what
FileTransfer.ListFolder does.

silent-snowman/bluez,mapfau/bluez,ComputeCycles/bluez,mapfau/bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,ComputeCycles/bluez,ComputeCycles/bluez,pstglia/external-bluetooth-bluez,mapfau/bluez,ComputeCycles/bluez,pkarasev3/bluez,pkarasev3/bluez,silent-snowman/bluez,pstglia/external-bluetooth-bluez,pkarasev3/bluez,silent-snowman/bluez