Update git submodules

* Update docs/submodules/sdnc/oam.git from branch 'master'
  to 71f801193c2db366911766666a4b859286a87f16
  - Update listeners to use log4j2
    
    Update listeners' log4j configuration for log4j2
    
    Change-Id: If0cc99622537ffaf5d19d4a37ddaea807ad535e4
    Issue-ID: SDNC-609
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
1 file changed