RFR: 8365610: Sort share/jfr includes

[Francesco Andreuzzi]

This PR sorts the includes in hotspot/share/jfr using SortIncludes.java. I'm also adding the directory to TestIncludesAreSorted.

Passes tier1.

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Commit messages:
 - reorder

Changes: https://git.openjdk.org/jdk/pull/26800/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26800&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8365610
  Stats: 173 lines in 56 files changed: 82 ins; 89 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/26800.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26800/head:pull/26800

PR: https://git.openjdk.org/jdk/pull/26800