BUG-731: add final modifiers

These members are constants, mark them as such.

Change-Id: Ied83e05dba3dfd3cebae1afd821253796c236093
Signed-off-by: Robert Varga <rovarga@cisco.com>
BUG-731: remove unneeded public modifier

Change-Id: I1890ca89060a136ca85f824cda03c96454706970
Signed-off-by: Robert Varga <rovarga@cisco.com>