Iconics.java;54 - GenericsUtil.getFields() causes App Not Responding (ANR)
We are using ANRWatchdog and this line of code has been reported multiple times to cause ANR's. Is this a known issue? 

com.mikepenz.iconics.utils.GenericsUtil;resolveRClass;GenericsUtil.java;37
com.mikepenz.iconics.utils.GenericsUtil;getFields;GenericsUtil.java;21
com.mikepenz.iconics.Iconics;init;Iconics.java;54

## Details
- Used library version - 2.9.5
- Used support library version - 28.0.0
- Used gradle build tools version - 3.3
- Used tooling / Android Studio version - 3.5


```
Iconics.init(mApplication);
Iconics.registerFont(new IconFont());
```
