core: PM options for secondary agent are not saved

Adding needed code to save the secondary PM options in VDS and VdsStatic
code.

Change-Id: Ic4ff49f7991d06140a8d7d01778b7731b0458736
Changoe-Id: I8df59ff12faa5a710905b6b2188d5cab446d0c85
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1001572
Signed-off-by: Eli Mesika <emesika@redhat.com>