RFR: 8310815: Clarify the name of the main class, services and provider classes in module descriptor

[Alan Bateman]

On Wed, 16 Aug 2023 18:42:00 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> Clarify the spec of `ModuleDescriptor::mainClass`, `ModuleDescriptor::uses`, `ModuleDescriptor.Provides::service` and `ModuleDescriptor.Provides::providers` to return a binary name. 
> 
> This PR also fixes JDK-8314449 to update the spec of `StackTraceElement::getClassName` and the `declaringClass` parameter of the constructor.

Marked as reviewed by alanb (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/15317#pullrequestreview-1582546834