Revert "DLC: Add DeviceLockManager clearDeviceRestrictions API."

This reverts commit 31d4be112622117102ff50e22e85838cbeb59835.

Reason for revert: Droidmonitor created revert due to build breakages in b/352552317.

Change-Id: Ibfc2662efc13638804bd4b623e68d418df5ecf14
16 files changed