Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to c7fe0ab72153acaed0a83157e4436b44bec3cc2c
  - Merge "Replaced constructor calls with valueOf() method calls to remove static analyzer warnings about inefficient constructor calls"
  - Replaced constructor calls with valueOf() method calls
    to remove static analyzer warnings about inefficient
    constructor calls

    Issue-ID: SO-1841
    Signed-off-by: Oleksandr Moliavko <o.moliavko@samsung.com>
    Change-Id: If5b0c9c3569759f738e01c0352e267ee8a995c5f

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index ed03249..c7fe0ab 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit ed0324962b3c0da2ff4a9719dfcb2f0891d4ce23
+Subproject commit c7fe0ab72153acaed0a83157e4436b44bec3cc2c