Use correct RTP payload type for aptX, LDAC,SBC
According to the A2DP spec, the payload type should be set to a number between 96 and 127.
This is already correct for AAC codec, but not the rest.
Original PulseAudio issue: pulseaudio/pulseaudio#591 (closed)
bluez-alsa issue: https://github.com/Arkq/bluez-alsa/issues/13