RFR Fix TestFullGCALot test failure

[Zhengyu Gu]

> 
> Why are you removing gc/logging/TestUnifiedLoggingSwitchStress.java ? Is
> it not related to Shenandoah?
> 
> -  serviceability/sa/TestHeapDumpForInvokeDynamic.java \
> -  gc/logging/TestUnifiedLoggingSwitchStress.java
> +  serviceability/sa/TestHeapDumpForInvokeDynamic.java

It is a duplicate, already in tier3.

Thanks,

-Zhengyu

> 
> Other than that, ok
>