Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 712f0dddc791f9ef8283fb40b5b5f326bc4ea0d9
  - Merge "JUnit test case coverage for Condition.java, JsonLock.java, MusicLockState.java, MusicCore.java Issue-ID: MUSIC-521"
  - JUnit test case coverage for Condition.java, JsonLock.java, MusicLockState.java, MusicCore.java
    Issue-ID: MUSIC-521
    
    Signed-off-by: Gadicherla, Shiva <shiva.gadicherla@att.com>
    Change-Id: I02aa0986b89883514ae2a001ec00006f0f28c3e8
    
diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index 3e77174..712f0dd 160000
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit 3e7717442eceb670bfa69ddb27c9abe68e99a920
+Subproject commit 712f0dddc791f9ef8283fb40b5b5f326bc4ea0d9