Migrating to android-x

Change-Id: I9a774152d13a541e8496dd84f2469bfed407f86d
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 9650e4e..c8bee2e 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -57,7 +57,6 @@
 import android.os.Process;
 import android.os.StrictMode;
 import android.os.UserHandle;
-import android.support.annotation.Nullable;
 import android.text.TextUtils;
 import android.text.method.TextKeyListener;
 import android.util.Log;
@@ -141,6 +140,8 @@
 import java.util.List;
 import java.util.Set;
 
+import androidx.annotation.Nullable;
+
 /**
  * Default launcher application.
  */