[lworld] RFR: 8260606: Update Valhalla core-libs naming for methods related to primitive classes

[Mandy Chung]

On Tue, 2 Feb 2021 20:55:07 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> Update terminology used to refer to primitive classes (from inline classes).
> Drop the descriptions using "projection" and use "conversion" as needed.
> Updated dependencies on Class.isPrimitiveClass().
> 
> [Updating test names will be a separate task.]

src/java.base/share/classes/java/lang/Class.java line 558:

> 556:      * Returns {@code true} if this class is a primitive class.
> 557:      *
> 558:      * @return {@code true} if this class is a primitive class, otherwise false

Nit: s/false/`{@code false}`/

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PR: https://git.openjdk.java.net/valhalla/pull/318