Fix Settings crash on non face service support devices

Doing some improvement for stability:

1. Check hasSystemFeature(PackageManager.FEATURE_FACE) for non-face
   service devices.
2. Wrap addAuthenticatorsRegisteredCallback()
3. Find mPreference before addAuthenticatorsRegisteredCallback

Bug: 276680407
Bug: 278174667
Bug: 277647959
Bug: 277725506
Test: m RunSettingsRoboTests -j30 ROBOTEST_FILTER= \
      FaceSettingsFooterPreferenceControllerTest
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:e85d588904e549d2eadd249ba0a03acfb2b02382)
Merged-In: I81346b6eb8c44106c5e52867d69c8736203dd558
Change-Id: I81346b6eb8c44106c5e52867d69c8736203dd558