Fix preferences v14 issues in lock screeen setup

Preferences support-v14 expects a RecyclerView, and cannot override
onCreateView to inflate custom views. This changes
SetupChooseLockGeneric to use suw_template_no_scroll and let
preference framework inflate its RecyclerView inside it.

Bug: 24929660
Change-Id: Icda0fed37b68d4cffb49da46a241185f32d7e467