Merge "Create a KeystoreClient class." am: 4122b99ba0
am: 1e336527fe

* commit '1e336527fe3cc4a05714201f9fd349c47ab8d887':
  Create a KeystoreClient class.
tree: 6bff2659af5ab2973eacb7af6a37aaccb1a426ba
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/