Migrating to android-x

Change-Id: I9a774152d13a541e8496dd84f2469bfed407f86d
diff --git a/src/com/android/launcher3/WidgetPreviewLoader.java b/src/com/android/launcher3/WidgetPreviewLoader.java
index 7af4bf9..84bad08 100644
--- a/src/com/android/launcher3/WidgetPreviewLoader.java
+++ b/src/com/android/launcher3/WidgetPreviewLoader.java
@@ -25,7 +25,6 @@
 import android.os.CancellationSignal;
 import android.os.Handler;
 import android.os.UserHandle;
-import android.support.annotation.Nullable;
 import android.util.Log;
 import android.util.LongSparseArray;
 
@@ -51,6 +50,8 @@
 import java.util.concurrent.Callable;
 import java.util.concurrent.ExecutionException;
 
+import androidx.annotation.Nullable;
+
 public class WidgetPreviewLoader {
 
     private static final String TAG = "WidgetPreviewLoader";