Android 9壁纸被拉伸
--- a/frameworks/base/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/frameworks/base/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -685,6 +685,7 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
// scale if the crop height winds up not matching the recommended metrics
needScale = (wallpaper.height != cropHint.height());