RFR: JDK-8304036: Use CommandLine class from shared module

[Jonathan Gibbons]

On Mon, 13 Mar 2023 08:16:54 GMT, Christian Stein <cstein at openjdk.org> wrote:

> This pull request addresses the open ends left by [JDK-8236919](https://bugs.openjdk.org/browse/JDK-8236919):
> - #11272
> 
> Changes:
> - [x] Extend list of targeted exports of `jdk.internal.opt/jdk.internal.opt` to `jdk.compiler` and `jdk.javadoc`
> - [x] Use shared `CommandLine.java` in `jdk.compiler` module
> - [x] Use shared `CommandLine.java` in `jdk.javadoc` module
> - [x] Remove `CommandLine.java` from `jdk.compiler` module

Looks good, for when un-Draft-ed

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PR Comment: https://git.openjdk.org/jdk/pull/12997#issuecomment-1487214895