RFR: 7307: Move org.openjdk.jmc.flightrecorder.configuration bundle from application to core

[Joshua Matsuoka]

This PR addresses JMC-7307 [[0]](https://bugs.openjdk.java.net/browse/JMC-7307), in which it would be helpful to have flightrecorder.configuration distributed in jmc core.

This PR continues from #299 , Alex is currently away so I'll be continuing this PR/bug. This PR builds off of Alex's existing branch and preserves the history. It fixes the merge conflicts and addresses the remaining review comments on #299 .

[0] https://bugs.openjdk.java.net/browse/JMC-7307

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Commit messages:
 - Merge remote-tracking branch 'upstream/master' into 7307
 - Fixing manifest
 - Fixing visibility of XML classes
 - Addressing review comments
 - Merge remote-tracking branch 'aptmac/PR-7307' into 7307
 - update license headers to 2022
 - fix package name in JFCXMLValidator logger
 - re-order flightrecorder.configuration.test in test pom
 - update license headers
 - migrate VolatileStorageDelegate to flightrecorder.configuration.model
 - ... and 7 more: https://git.openjdk.org/jmc/compare/8eb91157...0bb0e8ca

Changes: https://git.openjdk.org/jmc/pull/469/files
 Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=469&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-7307
  Stats: 1269 lines in 131 files changed: 410 ins; 626 del; 233 mod
  Patch: https://git.openjdk.org/jmc/pull/469.diff
  Fetch: git fetch https://git.openjdk.org/jmc pull/469/head:pull/469

PR: https://git.openjdk.org/jmc/pull/469