Update git submodules

* Update platform/tools/test/connectivity from branch 'master'
  to 6d72611d1cbc9afcec18378fec2e7283bd2046fd
  - Merge "Add lab sim utils for Amarisoft ECC tests."
  - Add lab sim utils for Amarisoft ECC tests.
    
    1.Enable/disable sim pin/puk locked/unlocked for single and dual sims.
    1.Lock/unlock pin/puk for single and dual sims.
    2.Activate sim for single and dual sims.
    3.Modiy IMSI.
    
    Bug: None
    Test: Yes, locally
    Change-Id: Id5cce569269436fb212761a37d9024f7214d1251