am 039cc060: am 82fd8428: Merge "Protect against ImageView changing to a null Drawable during Transition." into lmp-mr1-dev

* commit '039cc060493a88a603cc8f3224a9ac2fa31908be':
  Protect against ImageView changing to a null Drawable during Transition.
diff --git a/core/java/android/widget/ImageView.java b/core/java/android/widget/ImageView.java
index f90a9fe..75dfcca 100644
--- a/core/java/android/widget/ImageView.java
+++ b/core/java/android/widget/ImageView.java
@@ -1120,6 +1120,9 @@
 
     /** @hide */
     public void animateTransform(Matrix matrix) {
+        if (mDrawable == null) {
+            return;
+        }
         if (matrix == null) {
             mDrawable.setBounds(0, 0, getWidth(), getHeight());
         } else {