frameworks/base/services/core/java/com/android/server/ThemeService.java:644: error: cannot find symbol
            mContext.sendBroadcastAsUser(new Intent(Intent.ACTION_KEYGUARD_WALLPAPER_CHANGED),
                                                          ^
  symbol:   variable ACTION_KEYGUARD_WALLPAPER_CHANGED
  location: class Intent
frameworks/base/services/core/java/com/android/server/ThemeService.java:656: error: cannot find symbol
                wm.setKeyguardBitmap(bmp);
                  ^
  symbol:   method setKeyguardBitmap(Bitmap)
  location: variable wm of type WallpaperManager
frameworks/base/services/core/java/com/android/server/ThemeService.java:658: error: cannot find symbol
                wm.clearKeyguardWallpaper();
                  ^
  symbol:   method clearKeyguardWallpaper()
  location: variable wm of type WallpaperManager
frameworks/base/services/core/java/com/android/server/ThemeService.java:662: error: cannot find symbol
                    wm.setKeyguardStream(in);
                      ^
  symbol:   method setKeyguardStream(InputStream)
  location: variable wm of type WallpaperManager