Adds lock screen live wallpaper enabled status to dump

Bug: b/282732025
Test: manually checked dump output
Change-Id: I58b8e6d810acdd7851eda90ba73ad4dfc38b74ea

services/core/java/com/android/server/wallpaper/WallpaperManagerService.java

@@ -3982,6 +3982,8 @@ public class WallpaperManagerService extends IWallpaperManager.Stub
             if (mFallbackWallpaper != null) {
                 dumpWallpaper(mFallbackWallpaper, pw);
             }
+            pw.print("mIsLockscreenLiveWallpaperEnabled=");
+            pw.println(mIsLockscreenLiveWallpaperEnabled);
         }
     }
 }