<AWT Dev> RFR: 8261352: Create implementation for component peer for all the components who should be ignored in a11y interactions

[Alexander Zuev]

Initial implementation
Moved the CAccessibility ignore list initialization to the new code
Some cleanup
Expose a new API - isAccessibilityElement instead of deprecated accessibilityIsIgnored

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Commit messages:
 - 8261352: Create implementation for component peer for all the components who should be ignored in a11y interactions

Changes: https://git.openjdk.java.net/jdk/pull/3015/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3015&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8261352
  Stats: 140 lines in 5 files changed: 101 ins; 36 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3015.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3015/head:pull/3015

PR: https://git.openjdk.java.net/jdk/pull/3015