Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 0c173cdf44af313e376f1e8ae4fd6e6973c6c20b
  - Default Cipher to empty string
    
    Issue-ID: MUSIC-582
    Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
    Change-Id: I85a59925a40e196847983a7e60aa6d30b046d7e8
    
1 file changed