Provide a way to customize biometric SafetySourceIssue

Add a new FeatureProvider for biometrics in FeatureFactory to provide a way to customize biometric SafetySourceIssue

Bug: 370940762
Test: m Settings
Test: m SettingsGoogle
Test: m SettingsSpaUnitTests
Test: m SettingsRoboTests
Flag: com.android.settings.flags.biometrics_onboarding_education
Change-Id: I4d11f3d3522ce5ac2f975cca7c041339f3ea6031