Call xtrabackup.client.restore to trigger restore

	- fix missing imports
	- add galera state for slaves as well

Related: PROD-32475

Change-Id: I27b55be424022c5391a8b409e93500117046a632
(cherry picked from commit ef778c39bce59f20d0c9bcd464f6b6a1d13091f3)
1 file changed