RFR: 8364187: Make getClassAccessFlagsRaw non-native [v3]

[Coleen Phillimore]

> This change removes the intrinsic for getClassAccessFlagsRaw for reflection and initializes an rawAccessFlags field in java.lang.Class instead, that Java code can non-natively access.
> Tested with tier1-4.

Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:

  Fix comments and remove Holder.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/26517/files
  - new: https://git.openjdk.org/jdk/pull/26517/files/163a8e5c..a4974473

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26517&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26517&range=01-02

  Stats: 6 lines in 2 files changed: 0 ins; 3 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/26517.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26517/head:pull/26517

PR: https://git.openjdk.org/jdk/pull/26517