am b3c00d6b: am fcd856db: am 9576d286: Merge "Add readByteArray"

* commit 'b3c00d6b5805c43005069435c35ba2d90f6fcb68':
  Add readByteArray
tree: a88fbefa647edc0ffdc9b00a0074f23e1506c1c8
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/