Add DeviceEntryFingerprintAuthRepository to act as source of truth for keyguard FP auth state

Right now, it is a wrapper around KeyguardUpdateMonitor, we can move FP
auth state out of KUM in the next refactor

Bug: 262838215
Test: atest DeviceEntryFingerprintAuthRepositoryTest
Change-Id: I0bf83a0ca8801bc6d8c45c610a1ef898e292a7a2
2 files changed