use lsearch as group for generic system user

since we removed the unused search group we have:
Could not find dependency Group[search] for User[lsearch]

if the name (lsearch) and the default_group (search)
are different generic system user will not create the group

use lsearch instead

Change-Id: Ia0fce27d58261cac814ebdea3ea0383e1b0205d5
Merge "use lsearch as group for generic system user" into production