RFR: 8261336: IGV: enhance default filters [v2]

Tue Feb 16 12:50:51 UTC 2021

On Tue, 16 Feb 2021 12:42:45 GMT, Roberto Castañeda Lozano <rcastanedalo at openjdk.org> wrote:

>> This is awesome. Thanks a lot for taking the time to improve the IGV. Looks good to me!
>
> Thanks Christian and Tobias for reviewing!

Add filters to color and hide parts of the graph based on node categories or
estimated execution frequency, and simplify remaining filters.

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PR: https://git.openjdk.java.net/jdk/pull/2499