[jdk18u] RFR: 8287894: Use fixed timestamp as an alternative of __DATE__ macro in jdk.jdi to make Windows build reproducible

[Alexey Pavlyutkin]

On Tue, 14 Jun 2022 08:50:50 GMT, Alexey Pavlyutkin <duke at openjdk.java.net> wrote:

> Hi!
> 
> Here is a backport of 8287894 that fixes reproducible debug build for Windows. The original patch applied cleanly.
> 
> Verification (Windows10/MSVS2019): `bash ./configure --with-boot-jdk=c:/work/boot-jdk/jdk-18 --with-debug-level=fastdebug --with-hotspot-build-time="6/7/2022 2:35pm" --with-extra-cflags="/experimental:deterministic"`

forcing pre-submit tests

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PR: https://git.openjdk.org/jdk18u/pull/151