keystore: add upgradeKeyBlob call into keystore exportKey. am: 2c1423111a
am: 0b9a63f96f

Change-Id: Id5314506d56d978e0c4c79b3aadb90b24aab6452
tree: ca96b410323aa44f652eddb70fc19c377ea10e6b
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/
  4. MODULE_LICENSE_APACHE2
  5. NOTICE