Update git submodules

* Update docs/submodules/externalapi/nbi.git from branch 'master'
  to a5e02123aea6f24850470a3f54865cfed6540740
  - Test Cases & Modification of ExtApi Listener Implementation
    
    Issue-ID: EXTAPI-204
    
    Change-Id: I3526151c16c6fba111bec78635a32ffbed8d81b8
    Signed-off-by: akanshad <akansha.dua@amdocs.com>
    
1 file changed