tree eaa38f11e8c6c4915a6363ab60c57a9815b28174
parent 1298d2b7601383ad6e9c6964e939f6bfbd7093e2
author Curtis Belmonte <curtislb@google.com> 1591142288 -0700
committer Curtis Belmonte <curtislb@google.com> 1591142288 -0700

Update tier names in biometric constants documentation

Adds references to the new security tier names (Tier 1/2/3) in the
documentation for the corresponding biometric authenticator constants:
- Strong -> Tier 3
- Weak -> Tier 2
- Convenience -> Tier 1

Test: Builds
Fixes: 157266312
Change-Id: I80965e8e5c53f049d91f18f0e114d89f18593400