keystore: add "migrate" command

To support the WiFi service, we need to support migration from the
system UID to the wifi UID. This adds a command to achieve the
migration.

Bug: 8122243
Change-Id: I31e2ba3b3a92c582a6f8d71bbb139c408c06814f
3 files changed
tree: e0ee021c31bd461b6e2e38493b4c932d3fca5020
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/