Fix location of side-fps indicator

1. Corrects the calculation for side-fps indicator coordinates and cleans up
rotation logic
2. Removes premature & duplicate call to updateOverlayParams
3. Fixes updateOverlayParams call to avoid race condition, and prevent
   updates on stale view reference
4. Updates AuthController to fetch display width correctly
5. Remove faulty tests and add additional tests to verify indicator
   placement

Fixes: 218701671
Test: Observe location of indicator when rotating through all 4 orientations / folded & unfolded configurations on all side-fps devices
Test: atest SidefpsControllerTest
Change-Id: Ieacc8ba1f60335c632e6b53d8b3c9d1131c71bc4