Merge "Update API doc of View.DragShadowBuilder"
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index ba72be6..325fcc6 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -24045,7 +24045,7 @@
          * @param outShadowSize A {@link android.graphics.Point} containing the width and height
          * of the shadow image. Your application must set {@link android.graphics.Point#x} to the
          * desired width and must set {@link android.graphics.Point#y} to the desired height of the
-         * image.
+         * image. Since Android P, the width and height must be positive values.
          *
          * @param outShadowTouchPoint A {@link android.graphics.Point} for the position within the
          * shadow image that should be underneath the touch point during the drag and drop