* changes:
7/n: BiometricService is the source of truth for sensor strength
Add biometric tests to presubmit
6/n: Key by Biometric ID instead of Modality
5/n: Rename sessionId to operationId
4/n: AuthContainerView should filter out non-biometric modalities
3/n: Add IntDefs for several biometric-related constants
2/n: Move AuthenticatorWrapper its own file
1/n: Move BiometricService.AuthSession to its own class
d684814073