<AWT Dev> RFR: 8264302: Create implementation for Accessibility native peer for Splitpane java role [v2]

[Pankaj Bansal]

> Create implementation for Accessibility native peer for Splitpane java role. I have tested it using the SwingSet2 and splitpane demo from https://docs.oracle.com/javase/tutorial/uiswing/examples/components/index.html#SplitPaneDemo.
> The do not see any inconsistency in Vo behaviour before and after the changes.

Pankaj Bansal has updated the pull request incrementally with one additional commit since the last revision:

  Correct small issue

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4181/files
  - new: https://git.openjdk.java.net/jdk/pull/4181/files/04279d9c..9dd64ec2

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4181&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4181&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4181.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4181/head:pull/4181

PR: https://git.openjdk.java.net/jdk/pull/4181