[Overview Actions] Expose task corner radius to use in TaskOverlay.

Test: local
Bug: 153478940

Change-Id: I03d410edb5a55ce5eda5c703752daf0ef5d04500

quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java

@@ -669,7 +669,7 @@ public class TaskView extends FrameLayout implements PageCallbacks, Reusable {
             mContextualChip.setScaleY(0f);
             GradientDrawable scrimDrawable = (GradientDrawable) getResources().getDrawable(
                     R.drawable.chip_scrim_gradient, mActivity.getTheme());
-            float cornerRadius = TaskCornerRadius.get(mActivity);
+            float cornerRadius = getTaskCornerRadius();
             scrimDrawable.setCornerRadii(
                     new float[]{0, 0, 0, 0, cornerRadius, cornerRadius, cornerRadius,
                             cornerRadius});
@@ -688,6 +688,10 @@ public class TaskView extends FrameLayout implements PageCallbacks, Reusable {
         }
     }
 
+    public float getTaskCornerRadius() {
+        return TaskCornerRadius.get(mActivity);
+    }
+
     /**
      * Clears the contextual chip from TaskView.
      *