RFR: 8345343: Hide java.lang.classfile.components package to implementation

[Chen Liang]

Draft for preliminary review. Writing CSR right now.

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Commit messages:
 - 8345344: Hide java.lang.classfile.components package to implementation

Changes: https://git.openjdk.org/jdk/pull/22503/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22503&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345343
  Stats: 170 lines in 33 files changed: 12 ins; 116 del; 42 mod
  Patch: https://git.openjdk.org/jdk/pull/22503.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22503/head:pull/22503

PR: https://git.openjdk.org/jdk/pull/22503