Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "Get results json data from database"
  - Get results json data from database

    JIRA: DOVETAIL-417

    1. If report results with files, all results will be stored in local files.
    2. If report to database, will get results from database and stored with file results.json

    Change-Id: Ic30037bd66cd37042f82b75fac2043a876e21c6f
    Signed-off-by: xudan <xudan16@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index b878b94..a1c4069 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit b878b9407ecf605eb57a5a1c53c30a0d90da5ca7
+Subproject commit a1c406955bdc44e714a002c9623559b0e5d9ec56