Fix the NPE in the AnimationController

Add the null checking in onBindViewHolder

Fixes: 144099781
Test: compilation
Change-Id: Iafb8f758d7d71ce9fa67f4ad94d5a8a417ad674a

src/com/android/settings/widget/VideoPreference.java

@@ -123,8 +123,10 @@ public class VideoPreference extends Preference {
             layout.setLayoutParams(new LinearLayout.LayoutParams(
                     LinearLayout.LayoutParams.MATCH_PARENT, mHeight));
         }
+        if (mAnimationController != null) {
             mAnimationController.attachView(mVideo, mPreviewImage, mPlayButton);
         }
+    }
 
     @Override
     public void onDetached() {