[jdk17u-dev] RFR: 8284661: Reproducible assembly builds without relative linking

[Andrew Leonard]

Dependent fix for enabling reproducible builds when the built workspace folder and or user is different between the two builds, this updates the fix to not rely on relative linking.
This should be merged after the dependent PR: https://github.com/openjdk/jdk17u-dev/pull/415 on which this PR is based upon.

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Depends on: https://git.openjdk.java.net/jdk17u-dev/pull/415

Commit messages:
 - Backport ab83bceda14f00d2bd9489d33f40aeeafd7572b4

Changes: https://git.openjdk.java.net/jdk17u-dev/pull/416/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u-dev&pr=416&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8284661
  Stats: 131 lines in 39 files changed: 44 ins; 49 del; 38 mod
  Patch: https://git.openjdk.java.net/jdk17u-dev/pull/416.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u-dev pull/416/head:pull/416

PR: https://git.openjdk.java.net/jdk17u-dev/pull/416