Prioritize lockout error over not enrolled error.

Bug: 286923477
Test: atest BiometricServiceTest
Test: manual test - 1. enroll only one biometric 2. try enough failed
attempts to lock it out on biometric prompt 3. try to launch biometric
prompt and the error message should be lockout error

Change-Id: Ie14909ba9beca8f946d5abde7d690693529a8917