* changes:
11/n: Remove unnecessary things from BiometricAuthenticator
10/n: Split ClientMonitor functionality into appropriate subclasses
9/n: Remove MetricsLogger and Constants from biometrics
8/n: Move acquire message ignoring to face subclasses
7/n: Move Fingerprint/Face AuthenticationClients to their own file
6/n: Decouple remainder of lockout stuff
5/n: Virtualize biometric performance stats
4/n: Start moving fingerprint lockout to its own class
3/n: Move internal cleanup to its own ClientMonitor subclass
2/n: Clean up ClientMonitor
1/n: Move modality-specific files into new subdirectory
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