RFR: 8316556: Fix typos in java.desktop

[Andrey Turbanov]

PR with non-swing changes extracted from initial #14847

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Commit messages:
 - [PATCH] Fix typos in java.desktop
 - [PATCH] Fix typos in java.desktop

Changes: https://git.openjdk.org/jdk/pull/15773/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15773&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316556
  Stats: 195 lines in 81 files changed: 0 ins; 0 del; 195 mod
  Patch: https://git.openjdk.org/jdk/pull/15773.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15773/head:pull/15773

PR: https://git.openjdk.org/jdk/pull/15773