RFR: 8310242: Clarify the name parameter to Class::forName [v4]

[Mandy Chung]

> This PR clarifies the spec of the 3-arg Class::forName  regarding the format of the name for an array type which is of the form: one or more of "[" + binary name of the element type + ";'.

Mandy Chung has updated the pull request incrementally with one additional commit since the last revision:

  missing 'L' for the array class name

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14528/files
  - new: https://git.openjdk.org/jdk/pull/14528/files/004f35d5..b631c2be

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14528&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14528&range=02-03

  Stats: 4 lines in 1 file changed: 2 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/14528.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14528/head:pull/14528

PR: https://git.openjdk.org/jdk/pull/14528