Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 886394400a8e64b5938fe264dc9a79856b4fd3f6
  - Merge "Junit for JSONObject"
  - Junit for JSONObject
    
    Issue-ID: MUSIC-583
    Change-Id: I82821820a5bdbe56a0e59ea37e9eb9eb03b3ce62
    Signed-off-by: ezhil <ezhrajam@in.ibm.com>
    
diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index f02506a..8863944 160000
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit f02506acb853a353037fe2c3d9d9549834a71f8b
+Subproject commit 886394400a8e64b5938fe264dc9a79856b4fd3f6