am cf5a7fc9: Merge "keystore: fully reset user keystore on request"

* commit 'cf5a7fc9fbaa8a084fb874ad2d6780c6914cd278':
  keystore: fully reset user keystore on request
tree: c8047628401f1511fde644634a206d5b28ecb73d
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/