am 1bc16e46: Merge "Implement keymaster 1.0 generate_key method"

* commit '1bc16e463e34d2959a3382014289e3a3a5b83eef':
  Implement keymaster 1.0 generate_key method
tree: c060674431c372ff50dc06e0dfb069d6dd6cbfb6
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/