Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to fec5d3eea7c13a501c79436610ce44362bf9822c
  - Merge "Remove unused imports for mso common classes"
  - Remove unused imports for mso common classes

    Remove unused imports for mso common classes AAIClient, AAIRestClient

    Issue-ID: SO-1490

    Change-Id: I7ca5713feaeda5b28464cdd5d0700fecf1c022ec
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 3530c93..fec5d3e 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 3530c936700b4d67f9b13923298aa92bcc6e4df1
+Subproject commit fec5d3eea7c13a501c79436610ce44362bf9822c