Introduce a field skip_block_devices in properties - this is a list of dictionaries
Create a helper function list_block_devices_check_skip_list
Update tests of erase_devices_express to use node when calling _list_erasable_devices
Add tests covering various options of the skip list definition
Use the helper function in get_os_install_device when node is cached
Story: 2009914
Change-Id: I3bdad3cca8acb3e0a69ebb218216e8c8419e9d65