Update git submodules

* Update docs/submodules/aai/aai-common.git from branch 'master'
  to 020b2d6f50f81fc84737f8e2815ca97b393e98ee
  - Revert eclipse.persistence to 2.6.2
    
    Issue-ID: AAI-2785
    Signed-off-by: Jimmy Forsyth <jf2512@att.com>
    Change-Id: I20e178061ac6b72391924c68153521f1c41f5837
    
diff --git a/docs/submodules/aai/aai-common.git b/docs/submodules/aai/aai-common.git
index d729620..020b2d6 160000
--- a/docs/submodules/aai/aai-common.git
+++ b/docs/submodules/aai/aai-common.git
@@ -1 +1 @@
-Subproject commit d72962054fd494cb55fa8f585b1cd9f13f098b2f
+Subproject commit 020b2d6f50f81fc84737f8e2815ca97b393e98ee