Refactoring PagedOrientationHandler to extract functions from to quickstep

This CL extracts RecentsView methods from PagedOrientationHandler to RecentsPagedOrientationHandler. It will allow to have quickstep specific components in the newer interface, like IconAppChipView.

Bug: 320633351
Flag: N/A
Test: atest NexusLauncherTests
Test: atest TaplTestsSplitscreen
Test: atest TaplTestsQuickstep
Change-Id: Ie7de23bddccbdb8eac93eff66a5d929f5bf0ee3a

quickstep/src/com/android/launcher3/uioverrides/RecentsViewStateController.java

@@ -45,7 +45,7 @@ import com.android.launcher3.anim.AnimatorListeners;
 import com.android.launcher3.anim.PendingAnimation;
 import com.android.launcher3.anim.PropertySetter;
 import com.android.launcher3.states.StateAnimationConfig;
-import com.android.launcher3.touch.PagedOrientationHandler;
+import com.android.quickstep.orientation.RecentsPagedOrientationHandler;
 import com.android.quickstep.util.AnimUtils;
 import com.android.quickstep.util.SplitAnimationTimings;
 import com.android.quickstep.views.ClearAllButton;
@@ -130,7 +130,7 @@ public final class RecentsViewStateController extends
         }
 
         // Create transition animations to split select
-        PagedOrientationHandler orientationHandler =
+        RecentsPagedOrientationHandler orientationHandler =
                 ((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler();
         Pair<FloatProperty, FloatProperty> taskViewsFloat =
                 orientationHandler.getSplitSelectTaskOffset(