[jdk17u-dev] RFR: 8327756: Convert javax/swing/JSlider/4987336/bug4987336.java applet to main

[Goetz Lindenmaier]

I backport this for parity with 17.0.17-oracle.

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Commit messages:
 - Backport 06f4b7f54da03e57abfe8958e4354c1ecb7e3039

Changes: https://git.openjdk.org/jdk17u-dev/pull/3799/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3799&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8327756
  Stats: 84 lines in 2 files changed: 38 ins; 35 del; 11 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3799.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3799/head:pull/3799

PR: https://git.openjdk.org/jdk17u-dev/pull/3799