am 9576d286: Merge "Add readByteArray"

* commit '9576d286c04437b88902af1ad0ed93c8e24f5c82':
  Add readByteArray
tree: 2742dfaff6c689095ddc6e99cd0911053adcba93
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/