Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 66ee14082f52e7a12940f9b54db406e1ed268e19
  - Merge "Added unit test case"
  - Added unit test case
    
    Added unit test case to reach min coverage limit
    
    Issue-ID: MUSIC-308
    Change-Id: I4b96218d977c176285abe1903bf570e3525a9ce2
    Signed-off-by: Jegadeesh Babu <jegabab1@in.ibm.com>
    
1 file changed