Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "re-enable testapi auto update"
  - re-enable testapi auto update

    Change-Id: Ied3c2f0c0ba1bd8cbaaa44bfff52ea52614db56c
    Signed-off-by: SerenaFeng <feng.xiaowei@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 5c9ea3e..4860337 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 5c9ea3e40e3a5dd25024ac1851caff800d93ae94
+Subproject commit 48603379051c10c4f956a9a1863b169deacbbd04