Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to a40b03fe9039d247dcc5a366f9778155a92c947b
  - Merge "Bug fixes, syncronization, and clean up daemon"
  - Bug fixes, syncronization, and clean up daemon
    
    Change-Id: Ic70bac496621540bd1589b7f8d07d8db43f3aed0
    Issue-ID: MUSIC-548
    Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
    
diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index a0a52fa..a40b03f 160000
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit a0a52fadf838954bf4e133d8dd94f5114ddc4ac4
+Subproject commit a40b03fe9039d247dcc5a366f9778155a92c947b