RFR: 8281338 NSAccessibilityPressAction action for tree node and NSAccessibilityShowMenuAcgtion action not working [v2]

[Artem Semenov]

> The "toggle popup" accessibility action does not correctly match the NSAccessibleShowMenuAction action. 
> The "toggleExpand" accessibility action does not correctly match the NSAccessibilityPressAction action.
> 
> @forantar @azuev-java please review.

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

  8281338 NSAccessibilityPressAction action for tree node and NSAccessibilityShowMenuAcgtion action not working

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7381/files
  - new: https://git.openjdk.java.net/jdk/pull/7381/files/1cccf195..99efa23a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7381&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7381&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7381.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7381/head:pull/7381

PR: https://git.openjdk.java.net/jdk/pull/7381