RFR: 8257056: Submit workflow should apt-get update to avoid package installation errors

[Aleksey Shipilev]

For example, current jobs fail with:

Get:13 http://azure.archive.ubuntu.com/ubuntu focal/main amd64 libxtst-dev amd64 2:1.2.3-1 [15.2 kB]
E: Failed to fetch http://azure.archive.ubuntu.com/ubuntu/pool/main/a/alsa-lib/libasound2-dev_1.2.2-2.1ubuntu2.1_amd64.deb 404 Not Found [IP: 52.147.219.192 80]
Fetched 760 kB in 0s (3154 kB/s)
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

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Commit messages:
 - 8257056: Submit workflow should apt-get update to avoid package installation errors

Changes: https://git.openjdk.java.net/jdk/pull/1427/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=1427&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8257056
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/1427.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/1427/head:pull/1427

PR: https://git.openjdk.java.net/jdk/pull/1427