Like the fingerprint enroll flow, the icon should be blue and have
size 32dp
Test: Manual
Bug: 127985682
Change-Id: I22e1b0c3294b4eedc7359c611c9b1c2c5a09c439
This change refactors common biometric settings code as well to minimize
duplicated code in areas such as:
Preference Controller
EnrollBase
EnrollIntro
This change also updates ChooseLock to have Face + Pin/Pattern/Pass
Bug: 110589286
Test: Fingerprint settings/enrollment still works
Test: make -j56 RunSettingsRoboTests
Change-Id: Ie35406a01b85617423beece42683ac086e9bc4a7