Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 999589df6dda704aa1a1187b1b32bffaca1cb2d6
  - Merge "Fix the stage builds"
  - Fix the stage builds
    
    Fix the stage build docker due to a removed class in javascript
    
    Issue-ID: CLAMP-793
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    Change-Id: Ia436a1e8cc95c8c3afc8176b83237aae6b8be17a
    
1 file changed