Update git submodules

* Update docs/submodules/policy/parent.git from branch 'master'
  to 7a00e85e21533d2a11300a61439b4ab3a420c1d5
  - Merge "Add documentation for APPC Legacy actor"
  - Add documentation for APPC Legacy actor

    Added documentation for APPC Legacy actor.
    Also added place-holders for the other actors.

    Issue-ID: POLICY-2515
    Change-Id: I99af500ae36ea92a2aa8a9e75da5fc36982a63c6
    Signed-off-by: Jim Hahn <jrh3@att.com>

diff --git a/docs/submodules/policy/parent.git b/docs/submodules/policy/parent.git
index b77c9be..7a00e85 160000 (submodule)
--- a/docs/submodules/policy/parent.git
+++ b/docs/submodules/policy/parent.git
@@ -1 +1 @@
-Subproject commit b77c9bec1777072f1e26071dd4f37ce65964f8be
+Subproject commit 7a00e85e21533d2a11300a61439b4ab3a420c1d5