Do not show side fingerprint sensor overlay when used from settings.

This is an alternative to ag/16124814 with the additional fix for udfps.

Fix: 203789357
Test: atest SidefpsControllerTest
Test: manual (open settings and verify no overlay shown with list of fingerprint)
Test: manual (open settings and verify overlay shown during enrollment)

Change-Id: Iee33cbb66d86d4f033d6acc9cf2284a3845f22de