Update git submodules

* Update docs/submodules/policy/distribution.git from branch 'master'
  to b5f4934afdc2601c925e83458d0e3d136c36cf1c
  - Change policy/distribution logging to slf4j
    
    1) Changed logging from FlexLogger to SLF4J with logback
    2) Fixed test cases of distribution REST endpoints having
       infinite while loop
    
    Change-Id: I1551873b3d348f9a7d2b4f8dfc3ae5dd6462bdb8
    Issue-ID: POLICY-1346
    Signed-off-by: ramverma <ram.krishna.verma@est.tech>
    
1 file changed