[vectorIntrinsics] Integrated: Merge master

[Jatin Bhateja]

Merge latest mainline code into vectorIntrinsics to further refresh vectorIntrinsics+fp16

Thanks,
Jatin

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Commit messages:
 - Refresh template based tests.
 - Merge branch 'master' of http://github.com/openjdk/panama-vector into merge_master
 - Merge
 - Merge panama-vector:master
 - Add @since 19 tags
 - Merge panama-vector:master
 - 8285013: AArch64: [vectorapi] Backend support of ExpandV for SVE2
 - Removing extra newlines and spaces from generated test cases
 - Compress/expand op spec.
 - 8284459: Add x86 back-end implementation for LEADING and TRAILING ZEROS COUNT operations
 - ... and 820 more: https://git.openjdk.org/panama-vector/compare/b9d49dce...bfddc7c5

The merge commit only contains trivial merges, so no merge-specific webrevs have been generated.

Changes: https://git.openjdk.org/panama-vector/pull/220/files
  Stats: 74521 lines in 92 files changed: 74509 ins; 7 del; 5 mod
  Patch: https://git.openjdk.org/panama-vector/pull/220.diff
  Fetch: git fetch https://git.openjdk.org/panama-vector.git pull/220/head:pull/220

PR: https://git.openjdk.org/panama-vector/pull/220