Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 2a02a88749777b602e1f077b334de8993c804a62
  - Merge "Added Junit for GRMClientCallFailed.java"
  - Added Junit for GRMClientCallFailed.java
    
    Added Junit for GRMClientCallFailed.java
    
    Issue-ID: SO-1576
    Change-Id: Ia05c40399a400af8536732f172b0bb47691002f5
    Signed-off-by: Sudarshan Kumar <sudars19@in.ibm.com>
    
1 file changed