RFR: 8292376: A few Swing methods use inheritDoc on exceptions which are not inherited

[Abhishek Kumar]

Document update for getBaselineResizeBehavior() and getBaseline() method description in JSpinner, AbstractBorder and TitledBorder .

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Commit messages:
 - Doc update for Null Pointer Exception

Changes: https://git.openjdk.org/jdk/pull/9902/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9902&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8292376
  Stats: 3 lines in 3 files changed: 1 ins; 1 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/9902.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9902/head:pull/9902

PR: https://git.openjdk.org/jdk/pull/9902