function clearTileLoadQueue(primitive) {
  const debug = primitive._debug;
  debug.maxDepth = 0;
  debug.maxDepthVisited = 0;
  debug.tilesVisited = 0;
  debug.tilesCulled = 0;
  debug.tilesRendered = 0;
  debug.tilesWaitingForChildren = 0;

  primitive._tileLoadQueueHigh.length = 0;
  primitive._tileLoadQueueMedium.length = 0;
  primitive._tileLoadQueueLow.length = 0;
}
Updates the tile provider imagery and continues to process the tile load queue.
@private