Merge "Add encryption convenience methods to KeystoreClient." am: e01125c8a9
am: e1ec0c0cc6

* commit 'e1ec0c0cc610dcaeba473511e58246c6a4c89dc3':
  Add encryption convenience methods to KeystoreClient.
tree: 3d9d70f2357fcbad83d9a118e4c8f10fb01831d4
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/