Handle empty/unspecified crop properly in wallpaper restore am: dd7110db2b am: 2ba9127494

am: fbee390c97

Change-Id: I497c9254951537b118d6fee81725f303bd37c7a1

packages/WallpaperBackup/src/com/android/wallpaperbackup/WallpaperBackupAgent.java

@@ -238,7 +238,7 @@ public class WallpaperBackupAgent extends BackupAgent {
                     Slog.v(TAG, "Restored crop hint " + cropHint);
                 }
                 try (FileInputStream in = new FileInputStream(stage)) {
-                    mWm.setStream(in, cropHint, true, which);
+                    mWm.setStream(in, cropHint.isEmpty() ? null : cropHint, true, which);
                 } finally {} // auto-closes 'in'
             }
         }