RFR: 6515: Show virtualization information in JMC

[Suchita Chaturvedi]

This PR adds Virtualization Information i.e. name (as this is the only information we have as of now) on Environment screen.

The screen looks like this:

<img width="959" height="486" alt="image" src="https://github.com/user-attachments/assets/a05ba14d-c60b-40f3-8432-c1cf57307af4" />


When jdk.VirtualizationInformation event exists:

<img width="226" height="37" alt="image" src="https://github.com/user-attachments/assets/728fc44f-d094-467c-b5b6-3946669859e6" />

When jdk.VirtualizationInformation event doesn't exists:

<img width="161" height="38" alt="image" src="https://github.com/user-attachments/assets/19299a60-ba9d-422f-b31f-894520aebe2c" />

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Commit messages:
 - 6515: Show virtualization information in JMC

Changes: https://git.openjdk.org/jmc/pull/666/files
  Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=666&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-6515
  Stats: 12 lines in 8 files changed: 12 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jmc/pull/666.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/666/head:pull/666

PR: https://git.openjdk.org/jmc/pull/666