RFR: 8354016: Update ReentrantReadWriteLock documentation to reflect its new max capacity

[Viktor Klang]

Updating the ReentrantReadWriteLock documentation

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Commit messages:
 - Adding links
 - Updates ReentrantReadWriteLock to state the new hold capacities

Changes: https://git.openjdk.org/jdk/pull/24502/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24502&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354016
  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/24502.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24502/head:pull/24502

PR: https://git.openjdk.org/jdk/pull/24502