Adding support for discrete slider haptics.

A new slider configuration is added to deliver different haptics
depending on the quantization of the slider: continuous or discrete

Test: SliderHapticFeedbackProviderTest
Flag: com.android.systemui.haptics_for_compose_sliders
Bug: 341968766
Change-Id: I935370a1a5610153086a5c20d7004e210dbb13b6