private synchronized void clearTempBitmap() {
    if (mTempBitmap != null) {
      mTempBitmap.recycle();
      mTempBitmap = null;
    }
  }
An {@link AnimatedDrawableBackend} that renders {@link AnimatedImage}.
animated-base/src/main/java/com/facebook/imagepipeline/animated/impl/AnimatedDrawableBackendImpl.java