Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to fd81d20f6dd846d9740001273db32b6618d71a7e
  - Merge "Use BuildingBlockExecution for PauseForManualTasks"
  - Use BuildingBlockExecution for PauseForManualTasks

    Fix variable settings and execution object usage for manual tasks.

    Issue-ID: SO-2113
    Signed-off-by: Kuleshov, Elena <evn@att.com>
    Change-Id: I3fa24d70b46658ce5afcdc843d5482e157641112

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 4ad529a..fd81d20 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 4ad529ac7301498f1ec153936cf14e8446288314
+Subproject commit fd81d20f6dd846d9740001273db32b6618d71a7e