Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 9b940cd85875a4f9b7c66b9d2448d7562af51cc7
  - Merge "Shifted access specifier order for AAIVersion"
  - Shifted access specifier order for AAIVersion

    Shifted access specifier order for AAIVersion, remove unused import

    Issue-ID: SO-1490

    Change-Id: Iae8b1e2ca0eb1140e1593bb8cb6f533f7048ca4a
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 7ce3bde..9b940cd 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 7ce3bde2d7042cdd1218ad4ec9b9fa5a3485a4ef
+Subproject commit 9b940cd85875a4f9b7c66b9d2448d7562af51cc7