Updated git submodules

Project: dmaap/dbcapi master 536c6aabdfd2bcdc493501a9498fb8a97d208c0b

Patch set 2: changes to MR_Client

Also introduces new AAF API call (userRoles)

Change-Id: I9861fe7f3339ced504f006da7aaa159a3cd67b70
Signed-off-by: dglFromAtt <dgl@research.att.com>
Issue-ID: DMAAP-856


diff --git a/docs/submodules/dmaap/dbcapi.git b/docs/submodules/dmaap/dbcapi.git
index 297ea69..536c6aa 160000
--- a/docs/submodules/dmaap/dbcapi.git
+++ b/docs/submodules/dmaap/dbcapi.git
@@ -1 +1 @@
-Subproject commit 297ea699d8f7f3be96abea6c28e4204f7c4687a4
+Subproject commit 536c6aabdfd2bcdc493501a9498fb8a97d208c0b