am f8151ead: am 16dadf76: Merge "ECIES: implement KM_MODE_CTR. This implementation is rand counter-mode. When encrypting, if the caller doesn\'t specify the IV, Keymaster will randomly generate a 16-byte IV."

* commit 'f8151ead9dfab27164c6e583ec4475b007088f3d':
  ECIES: implement KM_MODE_CTR. This implementation is rand counter-mode. When encrypting, if the caller doesn't specify the IV, Keymaster will randomly generate a 16-byte IV.