RFR: 8320860: add-opens/add-exports require '=' in JAVA_TOOL_OPTIONS [v3]

[David Holmes]

> Please review this simple clarification to the JVM TI spec regarding use of `JAVA_TOOL_OPTIONS` in regards to module options and their format.
> 
> I do not believe this clarification needs a CSR request.
> 
> Thanks.

David Holmes has updated the pull request incrementally with one additional commit since the last revision:

  reviewer feedback

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Changes:
  - all: https://git.openjdk.org/jdk/pull/16896/files
  - new: https://git.openjdk.org/jdk/pull/16896/files/5417a109..7cb6f439

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16896&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16896&range=01-02

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/16896.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16896/head:pull/16896

PR: https://git.openjdk.org/jdk/pull/16896