Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to e288bedf6a7b83c6127cbb1bc4281084cdbc218e
  - Merge "Build payload APPC parameter from UserParams"
  - Build payload APPC parameter from UserParams

    If a payload parameter is not specified on VID request for APPC interaction, we will need to build it from UserParams from requestCOntext.

    Issue-ID: SO-2311
    Signed-off-by: Kuleshov, Elena <evn@att.com>
    Change-Id: Ie6affe2bad031d80c43c0358a49cb252fb04f5e2

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 680401b..e288bed 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 680401b41d5b53ef3de6613334415939ee435eae
+Subproject commit e288bedf6a7b83c6127cbb1bc4281084cdbc218e