Update git submodules

* Update system/keymaster from branch 'master'
  to 6daf9846eec87c2593de6ac48e3a308e367ab8e4
  - Make keymaster's version configurable.
    
    Test: Keystore CTS tests and Keymaster/KeyMint VTS tests on cuttlefish
    Bug: b/173577355
    Change-Id: Ie7dda2c09b9d0b8e5b5b69ba4056ac40af67c870
    

* Update trusty/user/app/keymaster from branch 'master'
  to 693a2796b0877b59b82ec66cb92197b60269374b
  - Update to support keymaster's configurable version.
    
    Test: VtsHalKeymasterV4_TargetTest
    Bug: 173577355
    Change-Id: Ifb100f7a721b57c773f3a4d3f34f22dd47505c9a
    
2 files changed