private boolean isServiceChangedCharacteristic(@Nullable final BluetoothGattCharacteristic characteristic) {
		return characteristic != null &&
				BleManager.SERVICE_CHANGED_CHARACTERISTIC.equals(characteristic.getUuid());
	}
Returns true if this is the Service Changed characteristic.

@param characteristic the characteristic to be checked
@return true if it is the Service Changed characteristic
ble/src/main/java/no/nordicsemi/android/ble/BleManagerHandler.java