Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 3ff2eec067145ba82870f277d8413315a84fecca
  - Merge "change modifier order,remove unused import"
  - change modifier order,remove unused import
    
    change modifier order,remove unused import SImpleUri class
    
    Issue-ID: SO-1490
    
    Change-Id: I3b4e0a690e4842539fd3dba0385fc5a5e9812bd5
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>
    
diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 11a1f51..3ff2eec 160000
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 11a1f5125102aaff36ff5034346da137b10886dc
+Subproject commit 3ff2eec067145ba82870f277d8413315a84fecca