RFR: 8336873: BasicSplitPaneDivider:oneTouchExpandableChanged() should mention that implementation depends on SplitPane.supportsOneTouchButtons property [v3]

[Prasanta Sadhukhan]

> BasicSplitPaneDivider:oneTouchExpandableChanged() spec doesn't mention that it will create left/right button only if L&F supports SplitPane.supportsOneTouchButtons which is now added in javadoc..

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  typo

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/20289/files
  - new: https://git.openjdk.org/jdk/pull/20289/files/359dded8..906799ed

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20289&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20289&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/20289.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20289/head:pull/20289

PR: https://git.openjdk.org/jdk/pull/20289