RFR: 8307818: Convert Indify tool to Classfile API [v9]

[Oussama Louati]

On Fri, 24 May 2024 17:57:28 GMT, Oussama Louati <duke at openjdk.org> wrote:

>> An indify tool in j.l.i tests (also in vmTestBase) convert some source-code private static methods with MT_ MH_, and INDY_ prefixes into MethodHandle, MethodType, and CallSite constants.
>> It currently uses ad-hoc code to process class files and intends to migrate to ASM; but since we have the Classfile API, we can migrate to Classfile API instead.
>
> Oussama Louati has updated the pull request incrementally with 19 additional commits since the last revision:
> 
>  - fix: fixed whitespaces
>  - fix: fixed whitespaces
>  - chore: used Class::descriptorString
>  - remove: added removed test comments
>  - remove: added removed test comments
>  - remove: removed changes in tests
>  - update: optimize imports and remove unnecessary utils
>  - update: optimize imports
>  - update: 5th patch of code review
>  - update: 5th patch of code review
>  - ... and 9 more: https://git.openjdk.org/jdk/compare/781c951d...2b8c94a7

Addressing the second round of review from @asotona.

-------------

PR Review: https://git.openjdk.org/jdk/pull/18841#pullrequestreview-2076617737