RFR: 8354305: SHAKE128 and SHAKE256 MessageDigest algorithms [v2]

[Weijun Wang]

> Add 2 `MessageDigest` algorithms.

Weijun Wang has updated the pull request incrementally with one additional commit since the last revision:

  new algorithm names

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24576/files
  - new: https://git.openjdk.org/jdk/pull/24576/files/87a6fdae..46e7ddf3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24576&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24576&range=00-01

  Stats: 14 lines in 4 files changed: 0 ins; 0 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/24576.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24576/head:pull/24576

PR: https://git.openjdk.org/jdk/pull/24576