Minor API changes and additional documentation for IFingerprint

1) Removes vendorCode from onEnrollmentProgress. This is already
   being sent in ISessionCallback#onAcquired
2) Adds missing SessionState::INVALIDATING_AUTHENTICATOR_ID state

Test: make -j56 android.hardware.biometrics.fingerprint-update-api
Test: make -j56 VtsHalBiometricsFingerprintTargetTest
Test: make -j56

Change-Id: I246153339b336c029c9f156868127456aecf1a04