RFR: 8277090 : jsr166 refresh for jdk19 [v3]

[Doug Lea]

> This is the jsr166 refresh for jdk19. See https://bugs.openjdk.java.net/browse/JDK-8285450 and https://bugs.openjdk.java.net/browse/JDK-8277090

Doug Lea has updated the pull request incrementally with one additional commit since the last revision:

  Fix internal doc typos; thanks to Martin for finding these.

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/8490/files
  - new: https://git.openjdk.java.net/jdk/pull/8490/files/c3901b45..76cbde86

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=8490&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=8490&range=01-02

  Stats: 5 lines in 2 files changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/8490.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/8490/head:pull/8490

PR: https://git.openjdk.java.net/jdk/pull/8490