Revert "Add "Unlocked device required" parameter to keys"

This reverts commit 55fff3a89d96d0d0f8b8cb161bb0dda170c21ccb.

Reason for revert: Build breakages on elfin, gce_x86_phone.

Bug: 67752510

Bug: 72679761
Change-Id: Ia495e9cb158b64fcf015e37b170554a7ed6810a7
13 files changed