Update git submodules

* Update docs/submodules/dmaap/messagerouter/messageservice.git from branch 'master'
  to 8cd116bf2295fda6adbc41f87ae4d94fac572fb6
  - update MM agent API
    
    Issue-ID: DMAAP-909
    Change-Id: I07bbf3e2c7db7f5610511a8e8c8c3db37a74549c
    Signed-off-by: sunil.unnava <su622b@att.com>
    
diff --git a/docs/submodules/dmaap/messagerouter/messageservice.git b/docs/submodules/dmaap/messagerouter/messageservice.git
index 3884959..8cd116b 160000
--- a/docs/submodules/dmaap/messagerouter/messageservice.git
+++ b/docs/submodules/dmaap/messagerouter/messageservice.git
@@ -1 +1 @@
-Subproject commit 3884959f0bb9e6d0187606aa4342a80f366ca324
+Subproject commit 8cd116bf2295fda6adbc41f87ae4d94fac572fb6