RFR: 8354305: SHAKE128 and SHAKE256 MessageDigest algorithms

[Weijun Wang]

Add 2 `MessageDigest` algorithms.

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Commit messages:
 - the change

Changes: https://git.openjdk.org/jdk/pull/24576/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24576&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354305
  Stats: 96 lines in 4 files changed: 93 ins; 0 del; 3 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