[vectorIntrinsics] RFR: Merge panama-vector:vectorIntrinsics+compress

[Sandhya Viswanathan]

Merge vectorIntrinsics+compress into vectorIntrinsics.
@nsjian need your help to update test/hotspot/gtest/aarch64/asmtest.out.h.

Best Regards,
Sandhya

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Commit messages:
 - Merge panama-vector:vectorIntrinsics+compress
 - Compress JavaDoc.
 - Merge panama-vector:vectorIntrinsics
 - 8276083: Incremental patch to further optimize new compress/expand APIs over X86
 - 8275231: Intrinsify VectorMask.compress API for X86 target.
 - Merge panama-vector:vectorIntrinsics
 - 8275255: AArch64: Backend support for compress VectorAPI
 - 8274975: Add micro benchmark: ALIBABA selective store use case
 - 8274971: Add VectorMask.compress API
 - 8274889: Intrinsify Vector.expand/compress APIs for X86
 - ... and 4 more: https://git.openjdk.java.net/panama-vector/compare/b744b39d...1b727e29

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - vectorIntrinsics: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=167&range=00.0
 - panama-vector:vectorIntrinsics+compress: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=167&range=00.1

Changes: https://git.openjdk.java.net/panama-vector/pull/167/files
  Stats: 7218 lines in 140 files changed: 7139 ins; 19 del; 60 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/167.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/167/head:pull/167

PR: https://git.openjdk.java.net/panama-vector/pull/167