RFR (S): 8245086: G1: Rename measured pause time ratios

[Kim Barrett]

> On May 18, 2020, at 4:10 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi all,
> 
>  can I have reviews for this small change that improves the readability of the heap sizing code quite a bit and offers more flexibility in the future in how the long and short term pause time ratios are defined?
> 
> This is not about *fixing* the calculation mentioned in JDK-8243672, just renames.
> 
> CR:
> https://bugs.openjdk.java.net/browse/JDK-8245086
> Webrev:
> http://cr.openjdk.java.net/~tschatzl/8245086/
> Testing:
> hs-tier1-5
> 
> Thanks,
>  Thomas

Looks good.