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

This reverts commit 5fe872413b40eef05ea0fe6bd096bc57f3aa4b03.

Reason for revert: Build breakages on elfin, gce_x86_phone.

Bug: 72679761
Bug: 67752510
Change-Id: I2857b2a9b6ff26735bd4989a36c5e5deb4953904
2 files changed