Refactor uids to user ids where appropriate

UserState related methods previously took uid's while the state was
based on userId, with the new keystore methods taking userIds start
moving everything in that direction.

(cherry-picked from commit 4efce0dc62b5b6bf60c192a8c3e14ae341bf1f8b)

Change-Id: I075e973e2403575ba67e8e7a8c331a6c6f7e88e4
1 file changed
tree: 4f2baf4300568721279df13e225a1c12fd0f05b4
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/