Using Glide to load a pic from the network as a bitmap，onResourceReady invoke twice

```
private suspend fun loadGiftIcon(giftConf: WujiShopConfOuterClass.WujiGiftConf) = suspendCoroutine {
GlideApp.with(Env.getApplication()).asBitmap().load(CDNConstant.getCompleteUrl(giftConf.giftIcon)).addListener(object : RequestListener {
override fun onLoadFailed(e: GlideException?, model: Any?, target: Target?, isFirstResource: Boolean): Boolean {
it.resume(null)
return true
}

override fun onResourceReady(resource: Bitmap?, model: Any?, target: Target?, dataSource: DataSource?, isFirstResource: Boolean): Boolean {
val finalBitmap = resource?.let { origin ->
val scale = getFinalScale(origin, 20.dp, 20.dp)
Bitmap.createScaledBitmap(origin, (origin.width * scale).toInt(), (origin.height * scale).toInt(), true)
}
it.resume(finalBitmap)
return true
}
}).preload()
}
```

in some reason，Glide callback invoke twice. And GlideApp can be seen as normal use of Glide