Changing min-sdk version of Launcher to 31

Bug: 368071216
Flag: EXEMPT refactor -> dead code removal
Test: Presubmit
Change-Id: I1f0113c56de56f12f3a174eb31c3f8e8a09407e6

src/com/android/launcher3/util/EdgeEffectCompat.java

@@ -19,8 +19,6 @@ import android.content.Context;
 import android.view.MotionEvent;
 import android.widget.EdgeEffect;
 
-import com.android.launcher3.Utilities;
-
 /**
  * Extension of {@link EdgeEffect} to allow backwards compatibility
  */
@@ -30,21 +28,6 @@ public class EdgeEffectCompat extends EdgeEffect {
         super(context);
     }
 
-    @Override
-    public float getDistance() {
-        return Utilities.ATLEAST_S ? super.getDistance() : 0;
-    }
-
-    @Override
-    public float onPullDistance(float deltaDistance, float displacement) {
-        if (Utilities.ATLEAST_S) {
-            return super.onPullDistance(deltaDistance, displacement);
-        } else {
-            onPull(deltaDistance, displacement);
-            return deltaDistance;
-        }
-    }
-
     public float onPullDistance(float deltaDistance, float displacement, MotionEvent ev) {
         return onPullDistance(deltaDistance, displacement);
     }