Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 5466dc82cdb1c6ef0b802014386dc0ddd24d1487
  - Merge "Caching util test cases"
  - Caching util test cases
    
    And cleaning up of other tests
    
    Issue-ID: MUSIC-341
    Change-Id: Ida4ee49b2a923c64a2ce66c310db9b0dd502b8d7
    Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
    
diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index 7017608..5466dc8 160000
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit 70176081920e735e6c34b0497fdbf2e3588e1404
+Subproject commit 5466dc82cdb1c6ef0b802014386dc0ddd24d1487