RFR: 8228902: add os::dll_load to the unified logging os category

[coleen.phillimore at oracle.com]

This looks good.
Coleen

On 8/2/19 4:22 AM, Baesken, Matthias wrote:
> Hello,   I missed  the  shared library loads  in the UL  (os category) .
> So I created a small webrev and added the info .
>
> Please review !
>
> Bug/webrev :
>
> https://bugs.openjdk.java.net/browse/JDK-8228902
>
> http://cr.openjdk.java.net/~mbaesken/webrevs/8228902.0/
>
>
> Thanks,  Matthias