[vectorIntrinsics] RFR: Remove `byte[]` and `ByteBuffer` access methods. [v3]

[Sandhya Viswanathan]

On Tue, 19 Apr 2022 20:46:51 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Removes `byte[]` and `ByteBuffer` vector access methods.
>> 
>> Fixes performance issue with the fallback implementation of `MemorySegment` accessors (the `ValueLayout` passed to the scalar accessors needs to be constant).
>
> Paul Sandoz has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision:
> 
>  - Merge branch 'vectorIntrinsics' into rm-byte-bytebuffer
>  - Sync tests with update to template
>  - Remove scoped methods.
>  - Fix execution error and typos
>  - Impl and test chanages.

Looks good to me.

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Marked as reviewed by sviswanathan (Committer).

PR: https://git.openjdk.java.net/panama-vector/pull/190