RFR: 8304450: [vectorapi] Refactor VectorShuffle implementation [v3]

[Quan Anh Mai]

On Wed, 22 Mar 2023 08:09:03 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> Quan Anh Mai has updated the pull request incrementally with two additional commits since the last revision:
>> 
>>  - missing casts
>>  - clean up
>
> Please also update the copyright to 2023 for some touched files like `vectorSupport.hpp` and other java files like `AbstractShuffle.java`, `AbstractVector.java`, `VectorShape.java`, and `VectorShuffle.java`. Thanks!

@XiaohongGong Thanks, I have updated the copyright year and the code styles as you suggested

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PR Comment: https://git.openjdk.org/jdk/pull/13093#issuecomment-1479500096