keystore: add upgradeKeyBlob call into keystore exportKey. am: 2c1423111a am: 0b9a63f96f
am: 3ed2b635c6

Change-Id: I7913002a1820f338a61e67b4f18fca8859958442
tree: 31b6bdddee95c3f54311cdf19edc0c25b24584e0
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/
  4. MODULE_LICENSE_APACHE2
  5. NOTICE