Update git submodules

* Update docs/submodules/releng from branch 'master'
  - Merge changes from topic 'qtip'

    * changes:
      Fix status reporting page
      Specify TESTAPI_URL in releng jobs

  - Fix status reporting page

    - use data in last 10 days instead of 1 day
    - hide installers without any data
    - remove redundant qtip reporting

    Change-Id: If73a439572b6a1cf09c7d34f643fb14be82196ca
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>
  - Specify TESTAPI_URL in releng jobs

    Change-Id: Ied35e58137fb8040779fe038626facd684a935dd
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/releng b/docs/submodules/releng
index 3cb1db9..8365999 160000 (submodule)
--- a/docs/submodules/releng
+++ b/docs/submodules/releng
@@ -1 +1 @@
-Subproject commit 3cb1db94be6f1dda34d26679f2ed127552dd709d
+Subproject commit 83659998110e6ffcf59ab90c58a29501a47a9e0d