Update git submodules

* Update docs/submodules/logging-analytics.git from branch 'master'
  to 8c42d51ee002a1f6b05c2a0783bd8ee7946f9124
  - metric log updates and util fix
    
    make metric log more flexible
    
    Issue-ID: LOG-1202
    Signed-off-by: Smokowski, Kevin (ks6305) <kevin.smokowski@att.com>
    Change-Id: I13d6f52d5bc302e3aef65ad39c8df7c8effd1935
    
1 file changed