[vectorIntrinsics] Integrated: Merge master

[Jatin Bhateja]

Merge the latest mainline into vectorIntrinsics,  next rebase vectorIntrinsics+fp16 

Existing VAPI jtreg and jmh micros compiler and execute cleanly.

Thanks,
Jatin

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Commit messages:
 - Merge branch 'master' of http://github.com/openjdk/panama-vector into merge_master
 - Merge
 - Merge
 - Merge
 - Merge
 - 8345798: Update VectorAPI Benchmarks
 - Merge
 - 8343779: Cannot build Vector API JMH benchmarks on vectorIntrinsics branch
 - Merge
 - Merge
 - ... and 827 more: https://git.openjdk.org/panama-vector/compare/f5ef01d4...777c44ae

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

Changes: https://git.openjdk.org/panama-vector/pull/235/files
  Stats: 85100 lines in 128 files changed: 84503 ins; 365 del; 232 mod
  Patch: https://git.openjdk.org/panama-vector/pull/235.diff
  Fetch: git fetch https://git.openjdk.org/panama-vector.git pull/235/head:pull/235

PR: https://git.openjdk.org/panama-vector/pull/235