Call "Glide.with(this).pauseRequests()" after onDestroy cause memory leak

Desc:
In fragment. call "Glide.with(this).pauseRequests()" after onDestroy cause memory leak

GlideVersion: 4.12.0
Device:fails on Genymotion Nexus 5 8.0 -->

Demo:
https://github.com/xiaopao2014/GlideTest

```java
override fun onDestroy() {
super.onDestroy()
//call pause request after destroy would cause memory leak
Glide.with(this).pauseRequests()
}

```