[foreign-abi] [Rev 01] RFR: Merge foreign-memaccess

[Maurizio Cimadamore]

> Just move the newly added ForeignUnsafe::asUnconfined to the new Foreign class.

Maurizio Cimadamore has updated the pull request incrementally with one additional commit since the last revision:

  Added standard disclaimer for restricted methods

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Changes:
  - all: https://git.openjdk.java.net/panama-foreign/pull/76/files
  - new: https://git.openjdk.java.net/panama-foreign/pull/76/files/9bda39b0..3e3513a8

Webrevs:
 - full: https://webrevs.openjdk.java.net/panama-foreign/76/webrev.01
 - incr: https://webrevs.openjdk.java.net/panama-foreign/76/webrev.00-01

  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/panama-foreign/pull/76.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-foreign pull/76/head:pull/76

PR: https://git.openjdk.java.net/panama-foreign/pull/76