Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ce6b469e96aa662a134881188627252b084937ad
  - Merge "Improvements in AAIClientHelper"
  - Improvements in AAIClientHelper

    Improvements in AAIClientHelper according to the Sonar analysis.
    Removed unnecessary exception throwing.
    Fixed imports.
    Updated java docs.

    Issue-ID: SO-1958
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>
    Change-Id: I60835304466bb656f09ba16b487907fa529e5eab

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 2036dd3..ce6b469 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 2036dd3cc3fc3c73639353622bc8e6b297b991ac
+Subproject commit ce6b469e96aa662a134881188627252b084937ad