Refresh biometric preference controllers on lifecycle events.

Fix: 195961101
Test: make RunSettingsRoboTests
Test: manual (enroll via settings and verify preferences enabled after enrolling)

Change-Id: Ie50cd862a42c96eb95f2156a33f34748b2b8b50c
(cherry picked from commit 9e9f1249d42e8b8189528a537be78c272eeb30af)
14 files changed