Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 1b4f20dfda1c5dad80640571e13de53772f2cce1
  - Fix the policy synchro
    
    Fix the periodic policy synchro issue due to wrong format expected.
    
    Issue-ID: CLAMP-784
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>
    Change-Id: Iaa815e92bb5c7d93f9db9c75f98e144b8d0f6b44
    
1 file changed