Update git submodules

* Update docs/submodules/dovetail from branch 'master'
  - Merge "Add test area 'correct behavior after common virtual machine life cycles events'"
  - Add test area 'correct behavior after common virtual machine life cycles events'

    JIRA: DOVETAIL-473

    According to Dovetail addendum doc, add one test area about basic cloud
    capability 'correct behavior after common virtual machine life cycles events'.

    Add the test specification about this test area.

    Change-Id: I051b3c5b501ed833a613ea6a6601125c4fa80c3e
    Signed-off-by: xudan <xudan16@huawei.com>

diff --git a/docs/submodules/dovetail b/docs/submodules/dovetail
index a01165e..ccd0c34 160000 (submodule)
--- a/docs/submodules/dovetail
+++ b/docs/submodules/dovetail
@@ -1 +1 @@
-Subproject commit a01165e817b8b63ac471ad9fff798337ad0abc97
+Subproject commit ccd0c3428ec5116f1095931f38fb5c6bee21d0a1