Update git submodules

* Update docs/submodules/policy/apex-pdp.git from branch 'master'
  to 00ee73f723560c825818eab41a4d3db9785627d4
  - Changes for RestServer support and some sonar fix

    1) Changes to add RestServer to the PDP-A for healthcheck.
    2) Adding Junit testcases.
    3) Fixing some sonar issues.
    4) Fixing checkstyle issues.

    Change-Id: I03530190c733432d219284dda9d9d4cc32ab0773
    Issue-ID: POLICY-1632
    Signed-off-by: a.sreekumar <ajith.sreekumar@est.tech>

diff --git a/docs/submodules/policy/apex-pdp.git b/docs/submodules/policy/apex-pdp.git
index 2ba499f..00ee73f 160000 (submodule)
--- a/docs/submodules/policy/apex-pdp.git
+++ b/docs/submodules/policy/apex-pdp.git
@@ -1 +1 @@
-Subproject commit 2ba499f11094cfd1321e59789869a0c475406b58
+Subproject commit 00ee73f723560c825818eab41a4d3db9785627d4