Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to cc07cc52864ab2950f850de021e5e04a72c3cfdb
  - Merge "Junit  added for KeystoneAuthHolder.java"
  - Junit  added for KeystoneAuthHolder.java
    
    Junit  added for KeystoneAuthHolder.java
    
    Issue-ID: SO-1576
    Change-Id: Ib313d6a3aa01da3fc7292b2cae4ba7b0a03ebce6
    Signed-off-by: Sudarshan Kumar <sudars19@in.ibm.com>
    
1 file changed