[jdk11u-dev] RFR: 8256126: Create implementation for NSAccessibilityImage protocol peer [v2]

[Autumn Capasso]

> clean backport [JDK-8256126](https://bugs.openjdk.org/browse/JDK-8256126) 3 of 28.

Autumn Capasso has updated the pull request incrementally with two additional commits since the last revision:

 - Merge remote-tracking branch 'origin/JDK-8256126' into JDK-8256126
 - backport bbb93ca3c80968d4f167bb4cd9e5d3e60e4a6a5b
   
   Signed-off-by: Autumn808 <AutumnCapasso at gmail.com>

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Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/1572/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/1572/files/ad75e6d3..4e6a5d76

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1572&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1572&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1572.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1572/head:pull/1572

PR: https://git.openjdk.org/jdk11u-dev/pull/1572