Implement SFPS guided enrollment for T6

Reduces perception of long enrollment process by introducing new enrollment layout and stages for SFPS. Also adds user feedback via new animated assets with dynamic colors, and all associated strings and a11y labels.

Test: Observe new guided enrollment process on T6
Test: make RunSettingsRoboTests ROBOTEST_FILTER=FingerprintEnrollEnrollingTest
Fixes: 232024488
Fixes: 233091341
Fixes: 241165082
Fixes: 242218240
Fixes: 243813773
Change-Id: Ifa8788e78dce4c682ec4a9e2fe2c077418f8bddb