Update git submodules

* Update docs/submodules/dmaap/dbcapi.git from branch 'master'
  to 977f8425c46aad37294d7567bca69bc17c079133
  - Fix surefire conflict

    Removed old surefire plugin section for new one, and now
    the codecoverage file in target/site seems to be generated.

    Issue-ID: DMAAP-1408
    Signed-off-by: Dominic Lunanuova <dgl@research.att.com>
    Change-Id: I65cd93a6bf6790dbb0e274c73e1e8cfc957db870

diff --git a/docs/submodules/dmaap/dbcapi.git b/docs/submodules/dmaap/dbcapi.git
index f39e950..977f842 160000 (submodule)
--- a/docs/submodules/dmaap/dbcapi.git
+++ b/docs/submodules/dmaap/dbcapi.git
@@ -1 +1 @@
-Subproject commit f39e950f1d58a6e666a747a552693f7b8c1a8be7
+Subproject commit 977f8425c46aad37294d7567bca69bc17c079133