RFR: 8364519: Sort share/classfile includes

[Francesco Andreuzzi]

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

Passes tier1.

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Commit messages:
 - sort

Changes: https://git.openjdk.org/jdk/pull/26590/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26590&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8364519
  Stats: 44 lines in 18 files changed: 22 ins; 21 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/26590.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26590/head:pull/26590

PR: https://git.openjdk.org/jdk/pull/26590