RFR: 8370: HDR Histogram View [v2]

[Marcus Hirt]

> Adds a Histogram view that will work on any selected events (that have durations). Useful for looking at distributions of, for example, GC or Lock events, or for any events that have durations in the Event Browser. 
> 
> ![image](https://github.com/user-attachments/assets/97e7d3a5-9be8-455f-bf1f-fc0e846ebb40)
> 
> Events in any percentile can be selected in the percentiles table and used to set the active selection in the selection store.
> ![image](https://github.com/user-attachments/assets/69fecbb6-6368-461b-af83-4605548e2513)

Marcus Hirt has updated the pull request incrementally with one additional commit since the last revision:

  Spotbugs potential null dereference

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Changes:
  - all: https://git.openjdk.org/jmc/pull/636/files
  - new: https://git.openjdk.org/jmc/pull/636/files/16568f60..eafb3948

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jmc&pr=636&range=01
 - incr: https://webrevs.openjdk.org/?repo=jmc&pr=636&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jmc/pull/636.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/636/head:pull/636

PR: https://git.openjdk.org/jmc/pull/636