Fix showing wrong image on document picker item am: 36a41d3e9d

Change-Id: I82556611afe3161a6dc0776a523638427e718700

src/com/android/messaging/ui/AsyncImageView.java

@@ -125,6 +125,8 @@ public class AsyncImageView extends ImageView implements MediaResourceLoadListen
                 return;
             }
             unbindView();
+        } else {
+            mDetachedRequestDescriptor = null;
         }
         setImage(null);
         resetTransientViewStates();