[jdk11u-dev] RFR: 8239902: [macos] Remove direct usage of JSlider, JProgressBar classes in CAccessible class

[Goetz Lindenmaier]

I backport this for parity with 11.0.17-oracle.

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Commit messages:
 - Backport 23def435d4a311bcf42438ad98e1f4d1e5f8aab8

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/1128/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=1128&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8239902
  Stats: 21 lines in 1 file changed: 8 ins; 13 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/1128.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/1128/head:pull/1128

PR: https://git.openjdk.java.net/jdk11u-dev/pull/1128