RFR: JDK-8300783: Consolidate byteswap implementations [v14]

[Justin King]

> Deduplicate byte swapping implementations by consolidating them into `utilities/byteswap.hpp`, following `std::byteswap` introduced in C++23. Further simplification of `Bytes` will follow in https://github.com/openjdk/jdk/pull/12078.

Justin King has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 24 additional commits since the last revision:

 - Merge remote-tracking branch 'upstream/master' into byteswap
 - Update based on review
   
   Signed-off-by: Justin King <jcking at google.com>
 - Fix copyright
   
   Signed-off-by: Justin King <jcking at google.com>
 - Update copyright
   
   Signed-off-by: Justin King <jcking at google.com>
 - Add missing include
   
   Signed-off-by: Justin King <jcking at google.com>
 - Remove unused include
   
   Signed-off-by: Justin King <jcking at google.com>
 - Reorganize tests
   
   Signed-off-by: Justin King <jcking at google.com>
 - Fix test
   
   Signed-off-by: Justin King <jcking at google.com>
 - Merge remote-tracking branch 'upstream/master' into byteswap
 - Be restrict on requiring 1, 2, 4, or 8 byte integers
   
   Signed-off-by: Justin King <jcking at google.com>
 - ... and 14 more: https://git.openjdk.org/jdk/compare/8697eb93...223d733b

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/12114/files
  - new: https://git.openjdk.org/jdk/pull/12114/files/f2ea0038..223d733b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12114&range=13
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12114&range=12-13

  Stats: 78274 lines in 2100 files changed: 30636 ins; 20323 del; 27315 mod
  Patch: https://git.openjdk.org/jdk/pull/12114.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12114/head:pull/12114

PR: https://git.openjdk.org/jdk/pull/12114