Tune AllApps dismiss animation

- Avoid overriding interpolator in AllAppsTransitionController.setStateWithAnimation as it's no longer needed and it'll wrongly override interpolator for ANIM_ALL_APPS_FADE
- Override ANIM_ALL_APPS_FADE to FINAL_FRAME in QuickstepAtomicAnimationFactory for tap deadzone to dismiss animation, also added EMPHASIZED_ACCELERATE for the dismiss animation
- Tuned dismiss animation across form factors to 300ms

Fix: 220336617
Test: manual
Change-Id: I4b3e827b503dcb1dd39f0bd99d4c1dd5ffdba0f3

quickstep/src/com/android/quickstep/fallback/FallbackRecentsStateController.java

@@ -112,7 +112,7 @@ public class FallbackRecentsStateController implements StateHandler<RecentsState
         RecentsState currentState = mActivity.getStateManager().getState();
         if (isSplitSelectionState(state) && !isSplitSelectionState(currentState)) {
             setter.add(mRecentsView.createSplitSelectInitAnimation(
-                    state.getTransitionDuration(mActivity)).buildAnim());
+                    state.getTransitionDuration(mActivity, true /* isToState */)).buildAnim());
         }
 
         Pair<FloatProperty, FloatProperty> taskViewsFloat =