Update the comment for setBackgroundResource that 0 removes the background.
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 829f68e..1dd0096 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -6913,7 +6913,7 @@
/**
* Set the background to a given resource. The resource should refer to
- * a Drawable object.
+ * a Drawable object or 0 to remove the background.
* @param resid The identifier of the resource.
* @attr ref android.R.styleable#View_background
*/