[jdk11u-dev] RFR: 8253497: Core Libs Terminology Refresh

[Goetz Lindenmaier]

I downport this for parity with 11.0.13-oracle.

Only trivial resolves:
Copyright: ObjectInputFilter.java, DefaultAgentFilterTest.java
Context: CloseRegisteredChannel.java

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Commit messages:
 - Backport b2f035549a510be7c19f3d101daa0fd8f05843ac

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/418/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=418&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253497
  Stats: 82 lines in 15 files changed: 1 ins; 0 del; 81 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/418.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/418/head:pull/418

PR: https://git.openjdk.java.net/jdk11u-dev/pull/418