unit/test-avrcp: Add /TP/MCN/NP/BV-09-C test
unit/test-avrcp: Add /TP/MCN/NP/BV-09-C test

To verify the GetItemAttributes response issued by the TG on a Media Item
in the NowPlaying folder.

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