[jdk17u-dev] RFR: 8274634: Use String.equals instead of String.compareTo in java.desktop

[Goetz Lindenmaier]

I backport this simple improvement because then a row of follow-up changes to CAccessible are clean.

It is unclean because other follow-ups have already been backported.

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Commit messages:
 - Backport 6726c592ed01b112f5eb85d8f1e4406b25c8df2b

Changes: https://git.openjdk.org/jdk17u-dev/pull/2036/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2036&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8274634
  Stats: 15 lines in 3 files changed: 0 ins; 0 del; 15 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2036.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2036/head:pull/2036

PR: https://git.openjdk.org/jdk17u-dev/pull/2036