Update git submodules

* Update docs/submodules/policy/apex-pdp.git from branch 'master'
  to e5f139e3c865eb429dc11a987ad7a01b759c6692
  - Merge "ONAP BBS: Apex Nomadic ONT Policy Implementation"
  - ONAP BBS: Apex Nomadic ONT Policy Implementation
    
    Issue-ID: DCAEGEN2-1237
    Change-Id: I81831f6498b6c47c0a43215e0445c791b12dac6e
    Signed-off-by: s00370346 <swarup.nayak1@huawei.com>
    
diff --git a/docs/submodules/policy/apex-pdp.git b/docs/submodules/policy/apex-pdp.git
index 28e6481..e5f139e 160000
--- a/docs/submodules/policy/apex-pdp.git
+++ b/docs/submodules/policy/apex-pdp.git
@@ -1 +1 @@
-Subproject commit 28e6481e51deef346c00d37631df4b07ebce333c
+Subproject commit e5f139e3c865eb429dc11a987ad7a01b759c6692