RFR: 8264774: Implementation of Foreign Function and Memory API (Incubator) [v15]

[Maurizio Cimadamore]

> This PR contains the API and implementation changes for JEP-412 [1]. A more detailed description of such changes, to avoid repetitions during the review process, is included as a separate comment.
> 
> [1] - https://openjdk.java.net/jeps/412

Maurizio Cimadamore has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 23 additional commits since the last revision:

 - Merge branch 'master' into JEP-412
 - Remove redundant checks for --enable-native-access
 - Fix issue in snippet in package-info
 - Replace uses of -Djdk.foreign.restricted (useless now) with --enable-native-access
 - Fix message string in Reflection::ensureNativeAccess
 - Tweak comment in Module::enableNativeAccess
 - Tweak code some more
 - Use uniform naming convention for implementation metods in Module
 - Remove IllegalNativeAccessChecker
 - Remove redundant initializer in Module
 - ... and 13 more: https://git.openjdk.java.net/jdk/compare/bb4038eb...8de9da36

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3699/files
  - new: https://git.openjdk.java.net/jdk/pull/3699/files/3aaeb09f..8de9da36

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3699&range=14
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3699&range=13-14

  Stats: 33173 lines in 668 files changed: 19837 ins; 7268 del; 6068 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3699.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3699/head:pull/3699

PR: https://git.openjdk.java.net/jdk/pull/3699