Updated git submodules

Project: policy/apex-pdp master 56858b0b356c62bd6fdea3486343d331bbc9567d

Fix bug to allow JSON arrays of events

Apex should allow JSON arrays of events to be processed, processing
the array of events as they come in. This review changes the Apex
JSON array handling to allow arrays of JSON events to be processed.
Arrays of events are required to perform Apex pewrformance tests.

Change-Id: I08ddc9659414bd076fbaa250182335d6f38473e6
Issue-ID: POLICY-812
Signed-off-by: liamfallon <liam.fallon@ericsson.com>

diff --git a/docs/submodules/policy/apex-pdp.git b/docs/submodules/policy/apex-pdp.git
index d4e7632..56858b0 160000 (submodule)
--- a/docs/submodules/policy/apex-pdp.git
+++ b/docs/submodules/policy/apex-pdp.git
@@ -1 +1 @@
-Subproject commit d4e7632aa00b42c544406fe9d83621c50831fe8e
+Subproject commit 56858b0b356c62bd6fdea3486343d331bbc9567d