Check microversion to set up block_migration option

Set block_migration to 'auto' only if
microversion >= 2.25

Add disk_over_commit option to migration_kwargs
as a mandatory parameter for versions less than 2.25

Related-prod: PRODX-48889

Change-Id: I7a72047a7a9792f3363f6e5ef22ccd9672fb8c7d
(cherry picked from commit 9621fc50a8d942ecdaae81b2d39735d16fbbc35e)
1 file changed