[jdk11u] RFR: 8283778: 11u GHA: Fix GCC 9 ubuntu package names

[Christoph Langer]

Will be rebased after integrating https://github.com/openjdk/jdk11u/pull/35 since we don't have independet PRs in the jdk11u repository.

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Commit messages:
 - JDK-8283778
 - Backport 997c55f3600cf0c2f74de45f34934617eb3ba599

Changes: https://git.openjdk.java.net/jdk11u/pull/36/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u&pr=36&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8283778
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk11u/pull/36.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u pull/36/head:pull/36

PR: https://git.openjdk.java.net/jdk11u/pull/36