Add "--encryption-provider", "--encryption-cipher",
"--encryption-key-size" and "--encryption-control-location"
options to "volume type set" and "volume type create" commands.
Add "--encryption-type" option to "volume type unset",
"volume type list" and "volume type show" commands.
Change-Id: I3572635d5913d971a723a62d7790ffe0f20ec39a
Implements: bp cinder-command-support
Closes-Bug: #1651117