[jdk11u-dev] RFR: 8269768: JFR Terminology Refresh

[Goetz Lindenmaier]

I downport this for parity with 11.0.13-oracle.

-------------

Commit messages:
 - Backport 1c18f914386a7543a95984294c6d61004c0a7176

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/438/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=438&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8269768
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/438.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/438/head:pull/438

PR: https://git.openjdk.java.net/jdk11u-dev/pull/438