RFR: 8301312: Create implementation of NSAccessibilityButton protocol

[Kevin Rushforth]

On Thu, 6 Apr 2023 20:43:13 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

> Add the common base component for all the new implementing native classes Change native peer creation to use the new base component The new code will instantiate new protocol implementation  for the given role if it exists or an old one if it does not exist
> Added BUTTON role implementing class

@azuev-java Can you enable GHA runs for your personal fork, so we can see test results in this PR (not that it will run any a11y tests, but it will at least do a quick sanity check build).

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PR Comment: https://git.openjdk.org/jfx/pull/1084#issuecomment-1502428074