RFR: 8255067: Restore Copyright line in file modified by 8253191

Wed Oct 21 06:46:11 UTC 2020

On Tue, 20 Oct 2020 19:10:17 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

> Make it crystal clear that  8253191 test case doesn't have anything in common with the original version of the test
> case for 8204479:
>   * restore original test case
>   * add 8253191 test case as a separate file

Looks good, but maybe call the new test `TestUnsignedByteCompare2`? The other test is kinda "first".

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Marked as reviewed by shade (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/771