Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge "Use absolute timeout for validation jobs"
  - Use absolute timeout for validation jobs

    not enough valid data in history for elastic check

    Change-Id: Ie3bcd7cc186605a31a857130646468e6f1ca7dde
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 545782c..e449925 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 545782c909d40963450a69c0f74b7ab68cc4dd63
+Subproject commit e44992530bcd032ba7f5754d233fee03f523c680