RFR: 8271846 a11y API lacks setSelectedIndex method [v2]

[Phil Race]

On Mon, 11 Jul 2022 13:38:58 GMT, Artem Semenov <asemenov at openjdk.org> wrote:

> @azuev-java @prrace please review this CSR ticket [JDK-8286674](https://bugs.openjdk.org/browse/JDK-8286674)

Before we get to that
1) You did not acknowledge this is not a backportable fix
2) I'd like you to explain why calling setSelectedIndex isn't good enough AND why Windows A11Y does not need this API
3) It is incorrect to add the csr as an issue - skara tooling has made it an integration blocker.

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PR: https://git.openjdk.org/jdk/pull/8578