RFR: 8371651: [AArch64] Populate CPU _features flag on Windows

[Dhamoder Nalla]

Populate CPU feature flags on Windows/AArch64 to enable CPU features CRC32, AES, SHA1, SHA2, SHA3, SHA512, PMULL, ASIMD, LSE, SVE, SVE2 and SVEBITPERM.

Tests performed:  jtreg tier1 & tier2

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Commit messages:
 - [AArch64] Populate CPU _features flag on Windows

Changes: https://git.openjdk.org/jdk/pull/28461/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28461&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8371651
  Stats: 20 lines in 1 file changed: 8 ins; 0 del; 12 mod
  Patch: https://git.openjdk.org/jdk/pull/28461.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28461/head:pull/28461

PR: https://git.openjdk.org/jdk/pull/28461