Updated git submodules

Project: so master 1c1fc78f9dce0b22fb31647db39349b3fef87a36

Use managed guava version

Use centrally managed guava version specified in
oparent.  Includes upgrade to oparent 1.2.0.

This change was submitted by script and may include
additional whitespace or formatting changes.

Change-Id: I4da3f582e347da62f9d6fe8d6f20c147d493b8a0
Issue-ID: INT-619
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 8bcd896..1c1fc78 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 8bcd8968a8c19e8529da0854c2ce2c7678259eea
+Subproject commit 1c1fc78f9dce0b22fb31647db39349b3fef87a36