Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 046eb620661451d3d62638d5253d3e112f565d1a
  - Merge "Sniro BB now supports sole service proxies"
  - Sniro BB now supports sole service proxies

    Enhanced sniro BB to account for sole service proxies to support 1908.

    Change-Id: I4bf57c7c43de755be03d2284cde321d182255ceb
    Issue-ID: SO-1790
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 0000db3..046eb62 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 0000db36706fcffc58645a7c21eb336d0edf5906
+Subproject commit 046eb620661451d3d62638d5253d3e112f565d1a