<AWT Dev> RFR: 8267385: Create NSAccessibilityElement implementation for JavaComponentAccessibility [v3]

[Artem Semenov]

> 8267385: Create NSAccessibilityElement implementation for JavaComponentAccessibility
> This pull request contains solutions for the following tickets:
> * JDK-8267385 Create NSAccessibilityElement implementation for JavaComponentAccessibility;
> * JDK-8262031 Create implementation for NSAccessibilityNavigableStaticText protocol;
> * JDK-8264287 Create implementation for NSAccessibilityComboBox protocol peer;
> * JDK-8264303 Create implementation for NSAccessibilityTabGroup protocol peer;
> * JDK-8264292 Create implementation for NSAccessibilityList protocol peer;
> * JDK-8267387 Create implementation for NSAccessibilityOutline protocol;
> * JDK-8267388 Create implementation for NSAccessibilityTable protocol.

Artem Semenov has updated the pull request incrementally with one additional commit since the last revision:

  1. Fixed memory management problems, due to which a11y cells in tables, as well as a11y components nested in list rows, disappeared;
  2. Added checks for exceptions;
  3. corrected descriptions of tests;
  4. Fixed a problem with the pronunciation of the edited text.
  5. Fixed a problem due to which the line number in the table was not pronounced correctly.

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4412/files
  - new: https://git.openjdk.java.net/jdk/pull/4412/files/e9b966b5..ba095696

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4412&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4412&range=01-02

  Stats: 154 lines in 17 files changed: 53 ins; 44 del; 57 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4412.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4412/head:pull/4412

PR: https://git.openjdk.java.net/jdk/pull/4412