[foreign-memaccess+abi] RFR: 8277845: Clean up use if ProgrammableInvoker/UpcallHandler.USE_INTRINSICS in tests.

Mon Jan 10 18:29:59 UTC 2022

On Mon, 10 Jan 2022 17:17:56 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> This PR cleans up use of USE_INTRINSICS flags in the tests, which was removed a while ago.
> 
> I also noticed that TestMatrix.java didn't have a copyright header, so I've added one. (the diff looks a little mangled as a result). It also wasn't setting the UPCALL_TEST_TYPE flag when running TestUpcall, so I've added that flag.

I've implemented the refactor. (also double the timeout of UpcallAsync when running from TestMatrix, since it was timing out otherwise).

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PR: https://git.openjdk.java.net/panama-foreign/pull/629