Merging from ub-launcher3-qt-future-dev @ build 6048032

Test: manual, presubmit on the source branch
http://x20/teams/android-launcher/merge/ub-launcher3-qt-future-dev_6048032.html

Change-Id: Ib436a5e721e44848926ae5f52a6817d4b7ae6e24
Merged-In: I891517b70777952c7027b64dd5e25da8901e4416
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;