Add CTS tests for Identity Check

Added tests that test the following:
1. Identity Check is active and applicable for any biometric prompt
   request where biometrics is requested
2. Identity Check is active, but it does not affect biometric prompt if
   device credential is the only allowed authenticator

Flag: android.hardware.biometrics.identity_check_all_surfaces
android.hardware.biometrics.bp_fallback_options
Fixes: 414863052
Test: atest BiometricSimpleTests

Change-Id: Iaf60e456c429d945683e63cabcc65891e1164865