Update git submodules

* Update trusty/user/app/gatekeeper from branch 'master'
  to 8fa6f1ac0562e91be2c68b1afc8a357ab634962c
  - Eliminate the use of status_t.
    
    status_t is a kernel type that should not be used in userspace.
    
    Bug: 110161494
    Change-Id: Idf54e319d715f452a8f6a757ace972b752f4bc70
    
1 file changed