Add missing lockout code to fingerprint.h

This is already in the framework, but wasn't visible in HAL 2.1. Required to
properly enforce HIDL 2.1 compliance.

Bug: 33199080

Test: Fingerprint enroll, remove, unlock, fingerprint arbitration.
Change-Id: I3400005df57fe6ac0f42f70fa17786876202be1f
1 file changed