Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to cc8f8c056b99d530d48190b67846be3705a4225f
  - add common-app-logging module
    
    This module is responsible of logging mechanism in sdc project
    
    Issue-ID: SDC-2686
    Signed-off-by: Yuli Shlosberg <ys9693@att.com>
    Change-Id: Icf9817fe2c8b8032757a700f6e6be18d2bc9f891
    
1 file changed