Merge "Fix merge for OnDrawListener"
diff --git a/core/java/android/view/ViewTreeObserver.java b/core/java/android/view/ViewTreeObserver.java
index 7dd2fc2..e4d4e7b 100644
--- a/core/java/android/view/ViewTreeObserver.java
+++ b/core/java/android/view/ViewTreeObserver.java
@@ -385,6 +385,14 @@
             }
         }
 
+        if (observer.mOnDrawListeners != null) {
+            if (mOnDrawListeners != null) {
+                mOnDrawListeners.addAll(observer.mOnDrawListeners);
+            } else {
+                mOnDrawListeners = observer.mOnDrawListeners;
+            }
+        }
+
         if (observer.mOnTouchModeChangeListeners != null) {
             if (mOnTouchModeChangeListeners != null) {
                 mOnTouchModeChangeListeners.addAll(observer.mOnTouchModeChangeListeners);