Fix face unlock setup page is abnormal

Apply GlifV4Theme.DayNight for FaceEnrollIntroduction related pages.

Flag: NONE

Bug: 329778849

Test: manully test with reproducible steps:
1. Flash and factory wipe the device with latest build
2. Complete SUW and update all the apps
3. Go to settings > security& privacy > face unlock >
   observe setup page

Change-Id: I73293808d225ecad013d507bd9c38b23324b17ec