Update git submodules

* Update docs/submodules/qtip from branch 'master'
  - Export collected metrics to json as inputs for calculating

    Change-Id: Id2dce1e750f646aeb972221229556fcd647a3637
    Signed-off-by: Yujun Zhang <zhang.yujunz@zte.com.cn>

diff --git a/docs/submodules/qtip b/docs/submodules/qtip
index 7aaa7b0..c004fa1 160000 (submodule)
--- a/docs/submodules/qtip
+++ b/docs/submodules/qtip
@@ -1 +1 @@
-Subproject commit 7aaa7b0bf4ae4f29134b0298351c1aa1c189c253
+Subproject commit c004fa1abd8069243b6cd4d9f9af66db2395351f