Replace abc.abstractproperty with property and abc.abstractmethod
Replace abc.abstractproperty with property and abc.abstractmethod

Replace abc.abstractproperty with property and abc.abstractmethod,
as abc.abstractproperty has been deprecated since python3.3[1]

[1]https://docs.python.org/3.8/whatsnew/3.3.html?highlight=deprecated#abc

Change-Id: Iab86cf42e5b6dbd2181594fb0fab0263ddb7a6f5

openstack/manila,openstack/manila