<i18n dev> RFR: 8274806: Simplify equals() call on nullable variable and a constant in java.desktop

[Andrey Turbanov]

Flipping arguments of 'equals' method, allows simplifying boolean expressions: now we can remove redundant null check before.

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Commit messages:
 - [PATCH] Simplify equals() call on nullable variable and a constant in java.desktop
 - [PATCH] Simplify equals() call on nullable variable and a constant

Changes: https://git.openjdk.java.net/jdk/pull/5794/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5794&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8274806
  Stats: 17 lines in 11 files changed: 0 ins; 1 del; 16 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5794.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5794/head:pull/5794

PR: https://git.openjdk.java.net/jdk/pull/5794