Update git submodules

* Update docs/submodules/policy/apex-pdp.git from branch 'master'
  to 28e6481e51deef346c00d37631df4b07ebce333c
  - Bug fix as per Jim's comment
    
    Changing the PdpUpdate already handled check back to previous code.
    
    Change-Id: Icc195b5a8609fba8601dc151f62fdaf0c67b7be0
    Issue-ID: POLICY-1632
    Signed-off-by: a.sreekumar <ajith.sreekumar@est.tech>
    
1 file changed