Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Merge "Add usage of testapi client"
  - Add usage of testapi client

    Change-Id: Ifacc61c5353e3975e625bb2843972cba6be79398
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index ed6b634..bbcbb7f 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit ed6b63465482b30fd6cf995d2a3167a62a864346
+Subproject commit bbcbb7f54096c05d83c982d6784646882e2c276a