Add preference toggle for mouse scrolling acceleration

Bug: 383555305
Bug: 384795606
Test: Local DUT with aconfig flags enabled, verified settings appears
and is togglable. Verified toggle affects scrolling acceleration.

Flag: com.android.hardware.input.mouse_scrolling_acceleration
Change-Id: Ibba2bb1c3cb57b98ad34a5851bae7b9d73e48d74