Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 3af7b807717cdcd79cc0cf4e46c8c089413001f9
  - Merge "Replace type spec, shift modifier order"
  - Replace type spec, shift modifier order

    Replace type spec, shift modifier order RequestHealthDiagnostic class

    Issue-ID: SO-1490

    Change-Id: I3255e164ebd839200e836de85764276e32d1cb48
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 9a0e720..3af7b80 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 9a0e720f13381e61c29866f31ef1782f44663c8b
+Subproject commit 3af7b807717cdcd79cc0cf4e46c8c089413001f9