[jdk17u-dev] RFR: 8279182: MakeZipReproducible ZipEntry timestamps not localized to UTC

[Andrew Leonard]

This patch is for reproducible builds whereby the reproducible src.zip timestamps where not being localized to UTC, hence src.zip differed depending on what local timezone was set to.

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Commit messages:
 - Backport bc0466c7ca57f14b1e6285e2a39755d57c8de376

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/205/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=205&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8279182
  Stats: 11 lines in 1 file changed: 6 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/205.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/205/head:pull/205

PR: https://git.openjdk.java.net/jdk17u-dev/pull/205