RFR: 8321428: Depreciate java.beans.beancontext.*

[Larry Cable]

[https://bugs.openjdk.org/browse/JDK-8321428](url)

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Commit messages:
 - 83020930: added @Deprecated and @SuppressWarnings to depreciate java.beans.beancontext

Changes: https://git.openjdk.org/jdk/pull/18413/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18413&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8321428
  Stats: 48 lines in 20 files changed: 45 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/18413.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18413/head:pull/18413

PR: https://git.openjdk.org/jdk/pull/18413