media: Check MPRIS Can* properties before calling the respective method
media: Check MPRIS Can* properties before calling the respective method

With MPRIS the player can disable support for certain control using
properties such as CanPlay, CanPause..., in this case these methods
should not be called and the code should fallback to uinput method.

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