Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to c6d15d46e3d2f7444e8f621ea9bea2aa87ce73d5
  - Add missing newline at end of properties file
    
    Missing newline at end of properties file seems to cause log4j 2 problems
    
    Change-Id: I857c219ed997f860dac6cd96aeff2fc5eeac06dd
    Issue-ID: SDNC-872
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed