Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Organize testapi tasks into ansible roles

    Change-Id: If073401b94e7146521fb54a85470b931e458de3c
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index b1683c0..a00a767 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit b1683c050b3e603378c57a21a7851dac432111b7
+Subproject commit a00a76746646619a1fbd9246f23d78eac5ce3b56