Fix PK Settings notification for non-keyboard devices

Refactoring CL ag/20500090 caused a side effect where all non-keyboard
devices also ran default layout selection logic and showed notification
to configure OK layout.
Need to filter by non-virtual and full keyboards.

Test: Manual
Bug: 261173318
Change-Id: Ib624c19e584b7d10f9d36bc852ee9ac9ed070d0e