Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to b81a56ad46ad2278c1b88dee42a872de8a4447a1
  - add uuid image override
    
    Issue-ID: INT-1599
    Signed-off-by: jhh <jorge.hernandez-herrero@att.com>
    Change-Id: I6b5f14c6abf594d7947d08939476358cf16f35e8
    
diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index cc67f63..b81a56a 160000
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit cc67f6345be21fca514e37b8cf96a4b5319424d9
+Subproject commit b81a56ad46ad2278c1b88dee42a872de8a4447a1