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

[Xiaohong Gong]

Merge with panama-vector:vectorIntrinsics. Tested tier1 and Vector API tests on both x86 and aarch64.

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Commit messages:
 - Merge panama-vector:vectorIntrinsics
 - 8266286: Add LoadVectorGather and StoreVectorScatter's partial version
 - Merge panama-vector:master
 - 8251392: Consolidate Metaspace Statistics
 - 8267116: Lanai: Incorrect AlphaComposite for VolatileImage graphics
 - 8266404: Fatal error report generated with -XX:+CrashOnOutOfMemoryError should not contain suggestion to submit a bug report
 - 8267112: JVMCI compiler modules should be kept upgradable
 - 8264777: Overload optimized FileInputStream::readAllBytes
 - 8266742: Check W^X state on possible safepoint
 - 8266520: Revert to OpenGL as the default 2D rendering pipeline for macOS
 - ... and 655 more: https://git.openjdk.java.net/panama-vector/compare/24b52623...b0f95c03

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - vectorIntrinsics+mask: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=89&range=00.0
 - panama-vector:vectorIntrinsics: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=89&range=00.1

Changes: https://git.openjdk.java.net/panama-vector/pull/89/files
  Stats: 661580 lines in 7192 files changed: 100205 ins; 539586 del; 21789 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/89.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/89/head:pull/89

PR: https://git.openjdk.java.net/panama-vector/pull/89