Merging from ub-launcher3-qt-future-dev @ build 6018744

Test: manual, presubmit on the source branch
http://x20/teams/android-launcher/merge/ub-launcher3-qt-future-dev_6018744.html

Change-Id: I619b51952d3d8577b9929d81ca3ce2ca8cc2fac9
Merged-In: Ied2409b3978f5f0429bd05a9f2c855f46a5f0bfc
diff --git a/src/com/android/wallpaper/picker/WallpaperPickerDelegate.java b/src/com/android/wallpaper/picker/WallpaperPickerDelegate.java
index 18a7c2c..3537db0 100644
--- a/src/com/android/wallpaper/picker/WallpaperPickerDelegate.java
+++ b/src/com/android/wallpaper/picker/WallpaperPickerDelegate.java
@@ -27,7 +27,6 @@
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
-import androidx.core.os.BuildCompat;
 import androidx.fragment.app.FragmentActivity;
 
 import com.android.wallpaper.R;