RFR: 8351290: Clarify integral only for vector operators

[Ian Graves]

Updating Javadoc for vector operators with VO_NOFP flags, but no corresponding "Integral only." note in docs.

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Commit messages:
 - JDK-8351290: Clarify integral only for vector operators

Changes: https://git.openjdk.org/jdk/pull/24237/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24237&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8351290
  Stats: 5 lines in 1 file changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/24237.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24237/head:pull/24237

PR: https://git.openjdk.org/jdk/pull/24237