conf: add property to disable dummy AVRCP player in bluetooth.conf

src/config/bluetooth.lua.d/50-bluez-config.lua

@@ -30,6 +30,10 @@ bluez_monitor.properties = {
   -- Properties for the A2DP codec configuration
   --["bluez5.default.rate"] = 48000,
   --["bluez5.default.channels"] = 2,
+
+  -- Register dummy AVRCP player, required for AVRCP volume function.
+  -- Disable if you are running mpris-proxy or equivalent.
+  --["bluez5.dummy-avrcp-player"] = true,
 }
 
 bluez_monitor.rules = {