Merging ub-launcher3-qt-r1-dev, build 5759495

Test: Manual

Bug:137864652 P1 Do not use private resources in Wallpaper/Theme Picker
Bug:138404632 P1 When the current wallpaper is a motion photo, the style preview doesn't show a wallpaper
Bug:138446847 P2 TopLevelPickerActivity needs to be full screen
Bug:64712476 P3 Import translations for dev branches
Change-Id: If7825a04993a26823a445e9ee989dbf52fee6d88
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;