Fix/suppress PMD CompareObjectsWithEquals findings (#11476)

Newer PMD versions discover more CompareObjectsWithEquals findings.

Related to https://github.com/openhab/static-code-analysis/pull/423

Signed-off-by: Wouter Born <github@maindrain.net>

bundles/org.openhab.binding.bluetooth.bluez/src/main/java/org/openhab/binding/bluetooth/bluez/internal/BlueZBluetoothDevice.java

@@ -83,6 +83,7 @@ public class BlueZBluetoothDevice extends BaseBluetoothDevice implements BlueZEv
         logger.debug("Creating DBusBlueZ device with address '{}'", address);
     }
 
+    @SuppressWarnings("PMD.CompareObjectsWithEquals")
     public synchronized void updateBlueZDevice(@Nullable BluetoothDevice blueZDevice) {
         if (this.device != null && this.device == blueZDevice) {
             return;