Update git submodules

* Update docs/submodules/optf/osdf.git from branch 'master'
  to 85f519730a7bbad030cd6ee5661ff1bddab85245
  - Bump version of OSDF to 1.3.1-staging
    
    Change-Id: I08c516b8f55f4ea6ee30290e79705a4b42be4fcb
    Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>
    Issue-ID: OPTFRA-501
    
1 file changed