Update git submodules

* Update docs/submodules/so/libs.git from branch 'master'
  to 9ac00f70f99e55d476aa6626ed0de9305f27a38e
  - Merge "modify array declare, removed unused import"
  - modify array declare, removed unused import

    modified array declaration,removed unused import and changed variable name

    Issue-ID: SO-1490

    Change-Id: I240a6912bdc3a913a279166ef92e2a2ea0d75873
    Signed-off-by: Sindhuri.A <arcot.sindhuri@huawei.com>

diff --git a/docs/submodules/so/libs.git b/docs/submodules/so/libs.git
index 6228fe2..9ac00f7 160000 (submodule)
--- a/docs/submodules/so/libs.git
+++ b/docs/submodules/so/libs.git
@@ -1 +1 @@
-Subproject commit 6228fe2c25252c930f507ccc889cb581ca2aad51
+Subproject commit 9ac00f70f99e55d476aa6626ed0de9305f27a38e