am b1d68c90: am 568e67a3: am ada70be8: Merge "Add KM_MIN_MAC_LENGTH tag to HMAC and AES-GCM keys." into mnc-dev

* commit 'b1d68c90f09d97ba7988ba061906ab286978dcad':
  Add KM_MIN_MAC_LENGTH tag to HMAC and AES-GCM keys.