RFR: 8376187: [VectorAPI] Define new lane type constants and pass them to intrinsic entries [v2]

[Jatin Bhateja]

> As per [discussions ](https://github.com/openjdk/jdk/pull/28002#issuecomment-3789507594) on JDK-8370691 pull request, splitting out portion of PR#28002 into a separate patch in preparation of Float16 vector API support.
> 
> Patch add new lane type constants and pass them to vector intrinsic entry points.
> 
> All existing Vector API jtreg test are passing with the patch.
> 
> Kindly review and share your feedback.
> 
> Best Regards,
> Jatin

Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:

  Review comments resolution

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Changes:
  - all: https://git.openjdk.org/jdk/pull/29481/files
  - new: https://git.openjdk.org/jdk/pull/29481/files/ef96506d..11021544

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=29481&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=29481&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/29481.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/29481/head:pull/29481

PR: https://git.openjdk.org/jdk/pull/29481